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Edits related to introduction and getting started lectures

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Lectures/L01_IntroToCourse/IntroToCourse.pdf
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Lectures/L01_IntroToCourse/IntroToCourse.tex
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......@@ -411,8 +411,8 @@ the transcript, and/or suspension or expulsion from the university.
\begin {itemize}
\item \bibentry{Smith2016}
\item \bibentry{SmithEtAl2007}
\item \href{https://gitlab.cas.mcmaster.ca/smiths/cas741/blob/master/ReferenceMaterial/SoftEngForScienceBook.pdf}{\bibentry{Smith2016}}
\item \href{https://gitlab.cas.mcmaster.ca/smiths/cas741/blob/master/ReferenceMaterial/SmithLaiAndKhedri2007fulltext.pdf}{\bibentry{SmithEtAl2007}}
\end{itemize}
......
Lectures/L02_GettingStarted/GettingStarted.pdf
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Lectures/L02_GettingStarted/GettingStarted.tex
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......@@ -22,7 +22,12 @@
\usepackage{multicol}
\usepackage{array}
\bibliographystyle{plainnat}
\usepackage{tikz}
\usetikzlibrary{positioning}
%\usepackage{natbib} %doesn't seem to work with beamer
\bibliographystyle{plain}
%\setcitestyle{authoryear}
%\usetheme{Iimenau}
......@@ -34,39 +39,33 @@
\input{../def-beamer}
\newcommand{\topic}{02 Requirements}
\newcommand{\topic}{02 Getting Started}
\input{../titlepage}
\begin{document}
%\nobibliography{../../ReferenceMaterial/References}
\input{../footline}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Requirements}
\frametitle{Getting Started}
\bi
\item LiCS overview by Dan
\item Administrative details
\item Questions on suggested reading?
\item Project choices
\item Software tools
\item Motivation
\begin{itemize}
\item Scientific Computing Software Qualities
\item Challenges to Developing Quality Scientific Software
\end{itemize}
\item Requirements documentation for scientific computing
\item A new requirements template
\item Advantages of new template and examples
\item The new template from a software engineering perspective
\item Concluding remarks
\item References
\item Software Engineering for Scientific Computing literature
\ei
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Administrative Details}
......@@ -74,12 +73,27 @@
\bi
\item Benches and white boards
\item Use folder structure given in repo
\item Post any questions as issues in our repo
\item Problem statement due Friday, Sept 15 by 11:59 pm
\ei
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Benches and Glassboards}
\begin{tikzpicture}[remember picture,overlay]
\node [xshift=0cm,yshift=0.15cm] at (current page.center)
{
\includegraphics[width=0.5\textwidth]{../Figures/GlassBoards.jpg}
};
\end{tikzpicture}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Administrative Details: Grade Assessment}
......@@ -107,7 +121,7 @@
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Administrative Details: Report Deadlines}
......@@ -130,7 +144,7 @@ Final Documentation & Week 13 & Dec 6\\
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Administrative Details: Presentations}
......@@ -153,7 +167,21 @@ Implementation Present & Week 12 & Week of Nov 27\\
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Questions on Suggested Reading?}
\begin {itemize}
\item \href{https://gitlab.cas.mcmaster.ca/smiths/cas741/blob/master/ReferenceMaterial/SoftEngForScienceBook.pdf}{Smith2016~\cite{Smith2016}}
\item \href{https://gitlab.cas.mcmaster.ca/smiths/cas741/blob/master/ReferenceMaterial/SmithLaiAndKhedri2007fulltext.pdf}{SmithEtAl2007~\cite{SmithEtAl2007}}
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Project Selection: Desired Qualities}
......@@ -169,7 +197,7 @@ Implementation Present & Week 12 & Week of Nov 27\\
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Project Selection: Specific Physical Problem}
......@@ -193,760 +221,180 @@ Implementation Present & Week 12 & Week of Nov 27\\
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Project Selection: Family of General Purpose Tools}
\begin{itemize}
\item Solution of ODEs
\item Solution of $A x = b$
\item Regression
\item Interpolation
\item Numerical integration
\item FFT
\item Mesh generation
\item Finite element method
\item \href{https://en.wikipedia.org/wiki/Numerical_methods_for_ordinary_differential_equations}{Solution of ODEs}
\item \href{https://en.wikibooks.org/wiki/Numerical_Methods/Solution_of_Linear_Equation_Systems}{Solution of $A x = b$}
\item \href{https://en.wikipedia.org/wiki/Linear_regression}{Regression}
\item \href{https://en.wikibooks.org/wiki/Introduction_to_Numerical_Methods/Interpolation}{Interpolation}
\item \href{https://en.wikipedia.org/wiki/Numerical_integration}{Numerical integration}
\item \href{https://en.wikipedia.org/wiki/Fast_Fourier_transform}{FFT}
\item \href{https://en.wikipedia.org/wiki/Mesh_generation}{Mesh generation}
\item \href{https://en.wikipedia.org/wiki/Finite_element_method}{Finite element method}
\item Any chapter from a standard numerical methods textbook
\item etc.
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Tool Tutorials}
\begin{itemize}
\item point to repo
\item Learn by doing
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Git and GitLab}
\begin{itemize}
\item point to repo
\item Learn by doing
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{LaTeX}
\begin{itemize}
\item point to repo
\item Learn by doing
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Important Qualities for Scientific Computing Software}
\begin{itemize}
\item External qualities
\begin{itemize}
\item Correctness (Thou shalt not lie)
\item Reliability
\item Robustness
\item Performance
\begin{itemize}
%\item Tight bounds
\item Time efficiency
\item Space efficiency
\end{itemize}
\end{itemize}
\item Internal qualities
\begin{itemize}
\item Verifiability
%\item Productivity
\item Usability
\item Maintainability
%\begin{itemize}
%\item Repairability
%\item Evolvability
%\end{itemize}
\item Reusability
\item Portability
\end{itemize}
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Problems with Developing Quality Scientific Computing Software}
\begin{itemize}
\item Need to know requirements to judge reliability
\item In many cases the only documentation is the code
\item Reuse is not as common as it could be
\begin{itemize}
\item \href{http://www.andrew.cmu.edu/user/sowen/softsurv.html}{\alert{Meshing software survey}}
\item \href{http://www.engr.usask.ca/~macphed/finite/fe_resources/node137.html}{\alert{Public domain finite element
programs}}
\item etc.
\end{itemize}
\item Many people develop ``from scratch''
\item Cannot easily reproduce the work of others
\item Neglect of simple software development technology~\cite{Wilson2006}
% such as version control software
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Adapt Software Engineering Methodologies}
\begin{itemize}
\item Software engineering improves and quantifies quality %purpose of software engineering
\item Successfully applied in other domains
\begin{itemize}
\item Business and information systems
\item Embedded real time systems
\end{itemize}
\item Systematic engineering process
\item Design through documentation
\item Use of mathematics
\item Reuse of components
\item Warranty rather than a disclaimer %goal of software engineering
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Developing Scientific Computing Software}
\begin{itemize}
\item Facilitators
\begin{itemize}
\item One user viewpoint for specifying a physical model
\item Assumptions can be used to distinguish models
\item High potential for reuse
\item Libraries
\item Already mathematical
\end{itemize}
\item Challenges
\begin{itemize}
\item Verification and Validation
\item Acceptance of software engineering methodologies
\item No existing templates or examples %explain that templates are a tool for doc req.
\end{itemize}
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Outline of Discussion of Requirements}
\begin{itemize}
\item Background on requirements elicitation, analysis and documentation
\item Tabular expressions
\item Why requirements analysis for engineering computation?
\item System Requirements Specification and template for beam analysis software
\begin{itemize}
\item Provides guidelines
\item Eases transition from general to specific
\item Catalyses early consideration of design
\item Reduces ambiguity
\item Identifies range of model applicability
\item Clear documentation of assumptions
\end{itemize}
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{A Rational Design Process}
%\begin{figure}
\begin{center}
\includegraphics[width=1.0\textwidth]{../Figures/reqSE.pdf}
\end{center}
%\end{figure}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Sometimes Include Commonality Analysis}
%\begin{figure}
\begin{center}
\includegraphics[width=1.0\textwidth]{../Figures/Waterfall.pdf}
\end{center}
%\end{figure}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Software Requirements Activities}
\begin{itemize}
\item A software requirement is a description of how the system should behave, or of a system property or attribute
\item Requirements should be unambiguous, complete, consistent, modifiable, verifiable and traceable
\item Requirements should express ``What'' not ``How''
\item Formal versus informal specification
\item Functional versus nonfunctional requirements
\item Software requirements specification (SRS)
\item Requirements template
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Tabular Expressions}
\begin{flushleft}
\scalebox{0.75}{
\begin{tabular}{||r|p{6cm}||}
\hhline{=|=}
Composition rule & $\cup_{i=1}^{4} H_2[i] \cap (\cap_{j=1}^{2} H_1[j] ~;~ G[i,j])$ \\
\hhline{=|=}
\end{tabular}
}
\end{flushleft}
%\begin{center}
\begin{tabular}{|l|p{0.3cm}|l|l|}
\multicolumn{4}{c}{} \\
\multicolumn{2}{c}{} & \multicolumn{2}{>{\large}c}{$H_1$} \\
\hhline{|~|~|-|-|}
\multicolumn{2}{c|}{} & $S_{GET}'\cup =$ & $ErrorMsg'+=$ \\
\hhline{|~|~|-|-|}
\multicolumn{4}{c}{} \\
\hhline{|-|~|-|-|}
$x_1 < 0$ & & $\emptyset$ & $InvalidInput\_x_1$ \\
\hhline{|-|~|-|-|}
$0 \le x_1 < min_d$ & & $\emptyset$ & $x_1\_TooSmall$ \\
\hhline{|-|~|-|-|}
$x_1 > max_d$ & & $\emptyset$ & $x_1\_TooLarge$ \\
\hhline{|-|~|-|-|}
$min_d \le x_1 \le max_d$ & & $\{@{x_1}\}$ & $NULL$ \\
\hhline{|-|~|-|-|}
\multicolumn{2}{c}{} & \multicolumn{2}{r}{$\land ChangeOnly(S_{GET}, ErrorMsg)$}\\
\multicolumn{2}{>{\large}c}{$H_2$} & \multicolumn{2}{>{\large}c}{$G$} \\
\end{tabular}
%\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Why Requirements Analysis?}
%\begin{figure}
\begin{center}
\includegraphics[width=1.0\textwidth]{../Figures/StagesInSciCompErrors.pdf}
\end{center}
%\end{figure}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Beam Analysis Software}
~\newline
~\newline
\begin{center}
\includegraphics[width=1.0\textwidth]{../Figures/beamFBD.pdf}
\end{center}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Proposed Template}
\scalebox{0.85}{
\begin{minipage}{1.2\textwidth}
\begin{enumerate}
\item Reference Material: a) Table of Symbols ...
\item Introduction: a) Purpose of the Document; b) Scope of the Software Product; c) Organization of the Document.
\item General System Description: a) System Context; b) User Characteristics; c) System Constraints.
\item Specific System Description:
\begin{enumerate}
\item Problem Description: i) Background Overview ...
\item Solution specification: i) Assumptions; ii) Theoretical Models; ...
\item Non-functional Requirements: i) Accuracy of Input Data; ii) Sensitivity ...
\end{enumerate}
\item{Traceability Matrix}
\item List of Possible Changes in the Requirements
\item{Values of Auxiliary Constants}
\end{enumerate}
\end{minipage}
}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Provides Guidance}
\begin{itemize}
\item Details will not be overlooked, facilitates multidisciplinary collaboration
\item Encourages a systematic process
\item Acts as a checklist
\item Separation of concerns
\begin{itemize}
\item Discuss purpose separately from organization
\item Functional requirements separate from non-functional
%\begin{itemize}
%\item solve for forces
%\item system responds within 1 second
%\end{itemize}
\end{itemize}
\item Labels for cross-referencing
\begin{itemize}
\item Sections, physical system description, goal statements, assumptions, etc.
\item PS1.a ``the shape of the beam is long and thin''
\end{itemize}
%\item Use of parameters instead of explicit values
\item Best way to learn is by doing
\item Some getting started information and exercises in the ToolTutorials
folder, modified from undergrad classes
\item Many other resources on-line
\item Your colleagues can help too
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Eases Transition from General to Specific}
\begin{itemize}
\item ``Big picture'' first followed by details
\item Facilitates reuse
\item ``Introduction'' to ``General System Description'' to ``Specific System Description''
\item Refinement of abstract goals to theoretical model to instanced model
\frametitle{Git, GitLab and GitHub}
\begin{itemize}
\item \textbf{G1}. Solve for the unknown external forces applied to the beam
\item $ \textbf{T1}~
\textrm{$\sum{F_{xi}} = 0$,}~
\textrm{$\sum{F_{yi}} = 0$,}~
\textrm{$\sum{M_i} = 0$}$
\item \textbf{M1} \textrm{$F_{ax} - F_1\cdot \cos\theta_3 - F_2\cdot \cos\theta_4 - F_{bx} = 0$}
\end{itemize}
\item Git manages changes to documents
\bi
\item Tracks changes
\item Keeps history, you can roll back
\item Useful documentation over time
\item Allows people to work simultaneously
\ei
\item Benefits for SC \cite{WilsonEtAl2016}
\bi
\item Not necessary to make a backup copy of everything, stores just enough
information to recreate
\item Do not need to come up with names for backup copies - same file name, but
with timestamps
\item Enforces changelog discipline
\item Facilitates identifying conflict and merging changes
\ei
\item The real bottleneck in scientific computing~\cite{Wilson2006}
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Ensures Special Cases are Considered}
\scalebox{0.6}{
\begin{tabular}{| p{3.8cm} | p{1.7cm} | p{0.05cm} | p{9.0cm} | p{1.8cm} |}
\multicolumn{3}{c}{} & \multicolumn{2}{>{\large}c}{$H_1$} \\
\hhline{|~|~|~|-|-|}
\multicolumn{3}{c}{} & \multicolumn{1}{|c|}{$S_{GET} = S_{sym} - S_{unkF}$} & $S_{GET} \ne (S_{sym} - S_{unkF})$ \\
\hhline{|~|~|~|-|-|}
\hhline{|-|-|~|-|-|} $S_{unkF} \notin \mathbb{P}_3$ & - & & $(ErrorMsg'=InvalidUnknown)$ \newline
$\land ChangeOnly(ErrorMsg)$ &
\multirow{9}{2cm}{$FALSE$} \\
\hhline{|-|-|~|-|~|} $S_{unkF} = \newline \{@{F_{ax}}, @{F_{bx}}, @{F_{ay}} \}$ & - & & $ErrorMsg'=NoSolution$ \newline
$\land ChangeOnly(ErrorMsg)$ & \\
%\hhline{|-|-|~|-|~|} $S_{unkF} = \newline \{@{F_{ax}}, @{F_{bx}}, @{F_{by}} \}$ & - & & $ErrorMsg'=NoSolution$ \newline
%$\land ChangeOnly(ErrorMsg)$ & \\
%\hhline{|-|-|~|-|~|} $S_{unkF} = \newline \{@{F_{ax}}, @{F_{bx}}, @{F_1} \}$ & - & & $ErrorMsg'=NoSolution$ \newline
%$\land ChangeOnly(ErrorMsg)$ & \\
%\hhline{|-|-|~|-|~|} $S_{unkF} = \newline \{@{F_{ax}}, @{F_{bx}}, @{F_2} \}$ & - & & $ErrorMsg'=NoSolution$ \newline
%$\land ChangeOnly(ErrorMsg)$ & \\
\hhline{|-|-|~|-|~|}
%\multirow{3}{4.2cm}
{$S_{unkF} = \newline \{@{F_{ax}}, @{F_{ay}}, @{F_1}\}$} &
$x_1 \ne 0 $ \newline
$\land~\theta_3 \ne 0$ \newline
$\land~\theta_3 \ne 180$
& &
$F_{ax}' = $\newline
$\frac{-\cos\theta_3 F_2 x_2 \sin\theta_4 + \cos\theta_3 F_{by} L + F_2 \cos\theta_4 x_1 \sin\theta_3
+ F_{bx} x_1 \sin\theta_3}{x_1 \sin\theta_3}$\newline
$\land$\newline
$F_{ay}' = -\frac{F_2 x_2 \sin\theta_4 - F_{by} L - F_2 \sin\theta_4 x_1 + F_{by} x_1}{x_1}$\newline
{$\land~F_1' = \frac{-F_2 x_2 \sin\theta_4 + F_{by} L}{x_1 \sin\theta_3} \land ChangeOnly(S_{unkF})$}
& \\
\hhline{|~|-|~|-|~|} & $otherwise$ & & $(ErrorMsg'=Indeterminant)$\newline
$\land ChangeOnly(ErrorMsg)$ & \\
\hhline{|-|-|~|-|-|}
\multicolumn{5}{c}{} \\
\multicolumn{3}{>{\large}c}{$H_2$} & \multicolumn{2}{>{\large}c}{$G$} \\
\end{tabular} }
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Catalyses Early Consideration of Design}
\begin{itemize}
\item Identification of significant issues early will improve the design
\item Section for considering sensitivity
\begin{itemize}
\item Conditioning?
\item Buckling of beam
\end{itemize}
\item Non-functional requirements
\begin{itemize}
\item Tradeoffs in design
\item Speed efficiency versus accuracy
\end{itemize}
\item Tolerance allowed for solution: $|\sum{F_{xi}}| / \sqrt{\sum{F_{xi}}^2} \le \epsilon$
\item Solution validation strategies
\item List of possible changes in requirements
\end{itemize}
\end{frame}
\frametitle{Git Typical Usage}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Reduces Ambiguity}
\begin{itemize}
\item Unambiguous requirements allow communication between experts, requirements review, designers do not have to
make arbitrary decisions
\item Tabular expressions allow automatic verification of completeness
\item Table of symbols
\item Abbreviations and acronyms
\item Scope of software product and system context
\item User characteristics
\item Terminology definition and data definition
\item Ends arguments about the relative merits of different designs
\end{itemize}
First either init repo or clone (git init, git clone), then typical workflow is
\be
\item update repo (git pull)
\item create files
\item stage changes to be committed (git status, git add)
\item commit staged changes (git commit -m ``message'')
\item push to remote, if using one (git push)
\ee
\bi
\item Commit after every separate issue, and when need to stop working
\item Always include a meaningful and descriptive commit message for the log
\item If a push reveals conflicts, take appropriate action to merge
\ei
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Identifies Range of Model Applicability}
\begin{itemize}
\item Clear documentation as to when model applies
\item Can make the design specific to the problem
\item Input data constraints are identified
\begin{itemize}
\item Physically meaningful: $0 \leq x_1 \leq L$
\item Maintain physical description: PS1.a, $0 < h \leq 0.1 L$
\item Reasonable requirements: $0 \leq \theta_3 \leq 180$
\end{itemize}
\item The constraints for each variable are documented by tables, which are later composed together
\item $(min_f \le |F_{ax}| \le max_f)
\land (|F_{ax}| \ne 0) \Rightarrow \forall ({FF}|{@{FF} \in S_F} \cdot {FF \ne 0
\land \frac{max\{{|F_{ax}|,|FF|}\}}{min\{{|F_{ax}|, |FF|}\}} \le 10 ^ {r_f}})$
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{GitLab and GitHub Issue Tracking}
\frametitle{Summary of Variables}
\begin{table}
\begin{center}
\scalebox{0.9}{
\begin{tabular}{|l|l|p{3.0cm}|p{3.3cm}|l|}
\multicolumn{5}{c}{} \\
\hline
\textbf{Var} & \textbf{Type} & \textbf{Physical\newline Constraints} & \textbf{System\newline Constraints} &
\textbf{Prop} \\
\hline $x$ & $Real$ & $x\ge 0 \land x\le L$ & $min_d \le x \le max_d$ & NIV \\
\hline $x_1$ & $Real$ & $x_1\ge0 \land x_1\le L$ & $min_d \le x_1 \le max_d$ & IN \\
\hline $x_2$ & $Real$ & $x_2\ge0 \land x_2\le L$ & $min_d \le x_2 \le max_d$ & IN \\
\hline $e$ & $Real$ & $e>0 \land e \le h$ & $min_e \le e \le max_e$ & IN \\
\hline $h$ & $Real$ & $h>0 \land h\le 0.1L$ & $min_h \le h \le max_h$ & IN \\
\hline $L$ & $Real$ & $L>0$ & $min_d \le L \le max_d$ & IN \\
\hline $E$ & $Real$ & $E>0$ & $min_E \le E \le max_E$ & IN \\
\hline $\theta_3$ & $Real$ & $-\infty < \theta_3 < +\infty$ & $0 \le \theta_3 \le 180$ & IN \\
\hline $\theta_4$ & $Real$ & $-\infty < \theta_4 < +\infty$ & $0 \le \theta_4 \le 180$ & IN \\
\hline $V$ & $Real$ & $-\infty < V < +\infty$ & - & OUT \\
\hline $M$ & $Real$ & $-\infty < M < +\infty$ & - & OUT \\
\hline $y$ & $Real$ & $-\infty < y < +\infty$ & - & OUT \\
\hline $...$ & $...$ & $...$ & ... & ... \\
\hline
\end{tabular} }
\end{center}
\end{table}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\bi
\item See brief document in course repo
\item \href{https://github.com/JacquesCarette/literate-scientific-software/issues}{See
examples}
\item Create an issue
\ei
\begin{frame}
\frametitle{Clear Documentation of Assumptions}
\scalebox{0.82}{
\begin{tabular}{| p{1.3cm} | p{1.3cm} | l | l | l | l | l | l | l | l | l | l | l | l |}
\hhline{--------------}
Phy. Sys. /Goal & Data /Model & \multicolumn{10}{c|}{Assumption} & \multicolumn{2}{c|}{Model} \\
\hhline{~~------------}
& & A1 & A2 & ... & A4 & ... & A8 & A9 & A10 & ... & A14 & \textbf{M1} & ... \\
\hhline{--------------}
\textbf{G1} & \textbf{T1} & $\surd$ & & ... & & ... & $\surd$ & $\surd$ & & ... & & $\surd$ & ...\\
\hhline{--------------}
\textbf{G2} & \textbf{T2} & $\surd$ & & ... & &... & $\surd$ & $\surd$ & & ... & & & ... \\
\hhline{--------------}
\textbf{G3} & \textbf{T3} & $\surd$ & & ... & &... & & $\surd$ & $\surd$ & ... & & & ...\\
\hhline{--------------}
~ & \textbf{M1} & & $\surd$ & ... & & ... & & & & ... & & $\surd$ &... \\
\hhline{--------------}
PS1.a & $L$ & & &... & &... & & & $\surd$ & ... & & ... & ... \\
\hhline{--------------}
... & ... & ... & ... & ... & ... & ... & ... & ... & ... & ... & ... & ... & ... \\
\hhline{--------------}
\end{tabular}
}
~\newline
~\newline
\textbf{A10}. The deflection of the beam is caused by bending moment only, the shear does not contribute.\\
%\textbf{A15}. The beam behaves as a rigid body
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\frame{\frametitle{More on the New Template}
\begin{itemize}%[<+-| alert@+>]%[iacolor=gray]
\item Why a new template?
\item The new template
\begin{itemize}
\item Overview of changes from existing templates
\item Goal $\rightarrow$ Theoretical Model $\rightarrow$ Instanced Model hierarchy
\item Traceability matrix
\item System behaviour, including input constraints
\end{itemize}
\end{itemize}
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\frame{\frametitle{Why a New Template?}
\begin{enumerate}%[<+-| alert@+>]%[iacolor=gray]
%\item Reasons for a new template also form principles for its design
\item One user viewpoint for the physical model
\item Assumptions distinguish models
\item High potential for reuse of functional requirements
\item Characteristic hierarchical nature facilitates change
\item Continuous mathematics presents a challenge
\end{enumerate}
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\frame{\frametitle{Overview of the New Template}
\begin{itemize}
\item{Reference Material}
\item{Introduction:}
{a) Purpose of the Document}
{b) Scope of the Software Product}
{c) Organization of the Document}
\item General System Description:
{a) System Context}
{b) User Characteristics}
{c) System Constraints}
\item \structure<2->{Specific System Description:
a) Problem Description
b) Solution Characteristics Specification
c) Non-functional Requirements}
\item{Other System Issues}
\item \structure<2->{Traceability Matrix}
\item List of Possible Changes in the Requirements
\item{Values of Auxiliary Constants}
\item{References}
\end{itemize}
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Excerpts from Specific System Description}
\begin{itemize}
\item Problem Description
\begin{itemize}
\item Physical system description (\textbf{PS})
\item Goals (\textbf{G})
\end{itemize}
\item Solution Characteristics Specification
\begin{itemize}
\item Assumptions (\textbf{A})
\item Theoretical models (\textbf{T})
\item Data definitions
\item Instanced models (\textbf{M})
\item Data constraints
\item System behaviour
\end{itemize}
\item Non-functional Requirements
\frametitle{LaTeX}
\begin{itemize}
\item Accuracy of input data
\item Sensitivity of the model
\item Tolerance of the solution
\item Solution validation strategies
\end{itemize}
\item A typesetting language
\item Some initial information in course repo
\item Start from an example
\bi
\item The lectures notes
\item The Blank Project Template
\item The problem statement
\ei
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Refinement from Abstract to Concrete}
\begin{overlayarea}{\textwidth}{5.3cm}
\begin{figure}[H]
\includegraphics<1>[scale=0.41]{../Figures/RefinementHierarchy.pdf}
\includegraphics<2>[scale=0.41]{../Figures/RefinementG1.pdf}
\includegraphics<3>[scale=0.41]{../Figures/RefinementT11.pdf}
\includegraphics<4>[scale=0.41]{../Figures/RefinementM111.pdf}
\includegraphics<5>[scale=0.41]{../Figures/RefinementT12.pdf}
\end{figure}
\end{overlayarea}
\begin{overlayarea}{\textwidth}{1cm}
\only<2>{\textbf{G1}: Solve for unknown forces}
\only<3>{
\begin{center}
$%\begin{displaymath}
\mathbf{(T1_1)}~\left\{
\begin{array}{lll}
\textrm{$\sum{F_{xi}} = 0$}\\
\textrm{$\sum{F_{yi}} = 0$}\\
\textrm{$\sum{M_i} = 0$}\\
\end{array} \right. $%\end{displaymath}
\end{center}
}
\only<4>{
\begin{center} $%\begin{displaymath}
\textbf{(M1)}~\left\{
\begin{array}{lll}
\textrm{$F_{ax} - F_1\cdot \cos\theta_3 - F_2\cdot \cos\theta_4 - F_{bx} = 0$} \\
\textrm{$F_{ay} - F_1\cdot \sin\theta_3 - F_2\cdot \sin\theta_4 + F_{by} = 0$}\\
\textrm{$- F_1\cdot x_1\sin\theta_3 - F_2\cdot x_2\sin\theta_4 + F_{by}\cdot L = 0$}\\
\end{array} \right.
$%\end{displaymath}
\end{center}
}
\only<5>{
The virtual work done by all the external forces and couples acting on the system is zero for each independent virtual
displacement of the system, or mathematically $\delta U = 0$
}
\end{overlayarea}
\end{frame}
\frametitle{SE For SC Literature}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin {itemize}
\begin{frame}
\frametitle{Other goals and models}
\begin{itemize}
\item \textbf{G2}: Solve for the functions of shear force and bending moment along the beam
\item \textbf{G3}: Solve for the function of deflection along the beam
\item $\mathbf{T3_1}$: $\frac{d^2 y}{d x^2} = \frac{M}{EI}$, $y(0) = y(L) = 0$
\item $\mathbf{T3_2}$: $y$ determined by moment area method
\item $\mathbf{T3_3}$: $y$ determined using Castigliano's theorem
\item $\mathbf{M3_{11}}$: $y = \frac{12 \int_0^L (\int_0^L M dx) dx}{Eeh^3}$, $y(0) = y(L) = 0$
\item CAS 741 process is document driven, adapted
from the waterfall model~\cite{GhezziEtAl2003, VanVliet2000}
\item Many say a document driven process is not used by, nor suitable for,
scientific software.
\bi
\item Scientific developers naturally use an agile
philosophy~\cite{AckroydEtAl2008, CarverEtAl2007, EasterbrookAndJohns2009, Segal2005},
\item or an amethododical process~\cite{Kelly2013}
\item or a knowledge acquisition driven process~\cite{Kelly2015}.
\ei
\item Scientists do not view rigid, process-heavy approaches,
favorably~\cite{CarverEtAl2007}
\item Reports for each stage of development are counterproductive~\cite[p.~373]{Roache1998}
\item Up-front requirements are
impossible~\cite{CarverEtAl2007, SegalAndMorris2008}
\item \structure{What are some arguments in favour of a rational document driven
process?}
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Kreyman and Parnas Five Variable Model}
\begin{itemize}
\item An alternative approach
\item Unfortunately the numerical algorithm is not hidden in the requirements specification
\item The analogy with real-time systems leads to some confusion
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}
\frametitle{Concluding Remarks}
\begin{itemize}
\item Quality is a concern for scientific computing software
\item Software engineering methodologies can help
\item Motivated, justified and illustrated a method of writing requirements specification for engineering computation
to improve reliability
\item Also improve quality with respect to usability, verifiability, maintainability, reusability and portability
\item Tabular expressions to reduce ambiguity, encourage systematic approach
\item Conclusions can be generalized because other computation problems follow the same pattern of \emph{Input} then
\emph{Calculate} then \emph{Output}
\item Benefits of approach should increase as the number of details and the number of people involved increase
\end{itemize}
\end{frame}
\frametitle{Counter Arguments}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin {itemize}
\begin{frame}
\frametitle{Concluding Remarks (Continued)}
\begin{itemize}
\item A new template for scientific computing has been developed
\item Characteristics of scientific software guided the design
\item Designed for reuse
\item Functional requirements split into ``Problem Description'' and ``Solution Characteristics Specification''
\item Traceability matrix
\item Addresses nonfunctional requirements (but room for improvement)
\item Just because document driven is not used, does not mean it will not work
\item Documentation provides many
benefits~\cite{Parnas2010}:
\bi
\item easier reuse of old designs
\item better communication about requirements
\item more useful design reviews
\item easier integration of separately
written modules
\item more effective code inspection
\item more effective testing
\item more efficient corrections and improvements.
\ei
\item Actually faking a rational design process
\item Too complex for up-front requirements sounds like an excuse
\bi
\item Laws of physics/science slow to change
\item Often simple design patterns
\item Think program family, not individual member
\ei
\end{itemize}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}[allowframebreaks]
\frametitle{References}
\nocite{Lai2004, SmithEtAl2004, SmithAndLai2005, IEEE1998, IEEE2000,
IEEE2000_ThayerAndDorfman, RobertsonAndRobertson1999Vol, DesharnaisEtAl2004,
JanickiAndKhedri2001, GhezziEtAl2003, KreymanAndParnas2002,
ParnasAndClements1986, Segal2007_Dagsthul, Segal2008, Segal2007, Segal2005, Dubois2002}
\bibliography{../../ReferenceMaterial/References}
\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\end{document}
\ No newline at end of file
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......@@ -2,13 +2,166 @@
%% http://bibdesk.sourceforge.net/
%% Created for Spencer Smith at 2017-09-07 14:15:00 -0400
%% Created for Spencer Smith at 2017-09-08 00:00:23 -0400
%% Saved with string encoding Unicode (UTF-8)
@inproceedings{Parnas2010,
Author = {David Lorge Parnas},
Bibsource = {dblp computer science bibliography, http://dblp.org},
Biburl = {http://dblp.uni-trier.de/rec/bib/conf/birthday/Parnas10},
Booktitle = {The Future of Software Engineering},
Date-Added = {2017-09-08 04:00:01 +0000},
Date-Modified = {2017-09-08 04:00:01 +0000},
Doi = {10.1007/978-3-642-15187-3_8},
Pages = {125--148},
Timestamp = {Tue, 30 Aug 2011 14:09:42 +0200},
Title = {Precise Documentation: The Key to Better Software},
Url = {http://dx.doi.org/10.1007/978-3-642-15187-3_8},
Year = {2010},
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@book{Roache1998,
Address = {Albuquerque, New Mexico},
Author = {Patrick J. Roache},
Date-Added = {2017-09-08 03:59:45 +0000},
Date-Modified = {2017-09-08 03:59:45 +0000},
Publisher = {Hermosa Publishers},
Title = {Verification and Validation in Computational Science and Engineering},
Year = {1998}}
@article{SegalAndMorris2008,
Annote = {Some extra information on the citation.
@article{Segal2008IEEE,
Address = {Los Alamitos, CA, USA},
Author = {Segal, Judith and Morris, Chris},
Date-Added = {2011-01-28 14:00:17 -0500},
Date-Modified = {2011-01-28 14:00:35 -0500},
Doi = {http://dx.doi.org/10.1109/MS.2008.85},
Issn = {0740-7459},
Journal = {IEEE Softw.},
Number = {4},
Pages = {18--20},
Publisher = {IEEE Computer Society Press},
Title = {Developing Scientific Software},
Url = {http://cs.ua.edu/\~{}SECSE08/Papers/Segal.pdf},
Volume = {25},
Year = {2008},
Bdsk-Url-1 = {http://cs.ua.edu/%5C~%7B%7DSECSE08/Papers/Segal.pdf},
Bdsk-Url-2 = {http://dx.doi.org/10.1109/MS.2008.85}}},
Author = {Judith Segal and Chris Morris},
Date-Added = {2017-09-08 03:59:33 +0000},
Date-Modified = {2017-09-08 03:59:33 +0000},
Journal = {IEEE Software},
Local-Url = {/Users/smiths/LongTermArchives/Work/Research/References/SciCompAndSoftEng/SegalAndMorris2008.pdf},
Month = {July/August},
Number = {4},
Pages = {18--20},
Title = {Developing Scientific Software},
Volume = {25},
Year = {2008},
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@article{Kelly2015,
Author = {Diane Kelly},
Bibsource = {dblp computer science bibliography, http://dblp.org},
Biburl = {http://dblp.uni-trier.de/rec/bib/journals/jss/Kelly15},
Date-Added = {2017-09-08 03:59:12 +0000},
Date-Modified = {2017-09-08 03:59:12 +0000},
Doi = {10.1016/j.jss.2015.07.027},
Journal = {Journal of Systems and Software},
Pages = {50--61},
Timestamp = {Thu, 26 Nov 2015 09:26:40 +0100},
Title = {Scientific software development viewed as knowledge acquisition: Towards understanding the development of risk-averse scientific software},
Url = {http://dx.doi.org/10.1016/j.jss.2015.07.027},
Volume = {109},
Year = {2015},
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@inproceedings{Kelly2013,
Acmid = {2555555},
Address = {Riverton, NJ, USA},
Author = {Kelly, Diane},
Booktitle = {Proceedings of the 2013 Conference of the Center for Advanced Studies on Collaborative Research},
Date-Added = {2017-09-08 03:59:00 +0000},
Date-Modified = {2017-09-08 03:59:00 +0000},
Location = {Ontario, Canada},
Numpages = {12},
Pages = {299--310},
Publisher = {IBM Corp.},
Series = {CASCON '13},
Title = {Industrial Scientific Software: A Set of Interviews on Software Development},
Url = {http://dl.acm.org/citation.cfm?id=2555523.2555555},
Year = {2013},
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@article{EasterbrookAndJohns2009,
Address = {Los Alamitos, CA, USA},
Author = {Easterbrook, Steve M. and Johns, Timothy C.},
Date-Added = {2017-09-08 03:58:34 +0000},
Date-Modified = {2017-09-08 03:58:34 +0000},
Doi = {http://dx.doi.org/10.1109/MCSE.2009.193},
Issn = {0740-7475},
Journal = {Comuting in Science \& Engineering},
Month = {November/December},
Number = {6},
Pages = {65--74},
Publisher = {IEEE Computer Society Press},
Title = {Engineering the Software for Understanding Climate Change},
Volume = {11},
Year = {2009},
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@inproceedings{CarverEtAl2007,
Address = {Washington, DC, USA},
Author = {Jeffrey C. Carver and Richard P. Kendall and Susan E. Squires and Douglass E. Post},
Booktitle = {ICSE '07: Proceedings of the 29th International Conference on Software Engineering},
Date-Added = {2017-09-08 03:58:12 +0000},
Date-Modified = {2017-09-08 03:58:12 +0000},
Doi = {http://dx.doi.org/10.1109/ICSE.2007.77},
Isbn = {0-7695-2828-7},
Local-Url = {file://localhost/Users/smiths/LongTermArchives/Work/Research/References/SciCompAndSoftEng/CarverEtAl2007.pdf},
Pages = {550--559},
Publisher = {IEEE Computer Society},
Title = {Software Development Environments for Scientific and Engineering Software: A Series of Case Studies},
Year = {2007},
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Bdsk-Url-1 = {http://dx.doi.org/10.1109/ICSE.2007.77}}
@article{AckroydEtAl2008,
Author = {Karen S. Ackroyd and Steve H. Kinder and Geoff R. Mant and Mike C. Miller and Christine A. Ramsdale and Paul C. Stephenson},
Date-Added = {2017-09-08 03:57:39 +0000},
Date-Modified = {2017-09-08 03:57:39 +0000},
Journal = {IEEE Software},
Local-Url = {/Users/smiths/LongTermArchives/Work/Research/References/SciCompAndSoftEng/AckroydEtAl2008.pdf},
Month = {July/August},
Number = {4},
Pages = {44--51},
Title = {Scientific Software Development at a Research Facility},
Volume = {25},
Year = {2008},
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@book{VanVliet2000,
Address = {New York, NY, USA},
Author = {Hans van Vliet},
Date-Added = {2017-09-08 03:57:00 +0000},
Date-Modified = {2017-09-08 03:57:00 +0000},
Isbn = {0-471-97508-7},
Publisher = {John Wiley \& Sons, Inc.},
Title = {Software Engineering (2nd ed.): Principles and Practice},
Year = {2000},
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@article{TaschukAndWilson2017,
Abstract = {{[Abstract]
......
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