From d81518114edf86917b51bb2b1e157eb695773b24 Mon Sep 17 00:00:00 2001
From: Christopher Schankula <schankuc@mcmaster.ca>
Date: Thu, 8 Feb 2018 14:18:28 -0500
Subject: [PATCH] a few little fixes we noticed today in class if you choose to
make them :)
---
Lectures/L16_FunctProgContinued/FunctProgContinued.tex | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/Lectures/L16_FunctProgContinued/FunctProgContinued.tex b/Lectures/L16_FunctProgContinued/FunctProgContinued.tex
index c0c85081..ba38fc5b 100755
--- a/Lectures/L16_FunctProgContinued/FunctProgContinued.tex
+++ b/Lectures/L16_FunctProgContinued/FunctProgContinued.tex
@@ -180,7 +180,7 @@ list(map(add3, [1, 5, 3, 1, 6]))
\item Write a function \texttt{repit(xs)} that takes a list \texttt{xs} and produces a new list
that replicates each entry 3 times
\bi
-\item \texttt{[1, 2, 3]} $\rightarrow$ \texttt{[1, 1, 1], [2, 2, 2], [3, 3, 3]}
+\item \texttt{[1, 2, 3]} $\rightarrow$ \texttt{[[1, 1, 1], [2, 2, 2], [3, 3, 3]]}
\item $\mbox{map}: (a \rightarrow b) \times [a] \rightarrow [b]$
\item $\mbox{map}: (t \rightarrow [t]) \times [t] \rightarrow [[t]]$
\item $\mbox{rep}: t \times int \rightarrow [t]$
@@ -306,7 +306,7 @@ def even(x):
\item \texttt{accum} is the initial value for the accumulator
\item In Python 3 need \texttt{from functools import reduce}
\item \structure{How would you use reduce to calculate the sum of the numbers
- from 1 to 100?}
+ from 1 to 5?}
\item \structure{How about the product?}
\ei
\end{frame}
@@ -317,7 +317,7 @@ def even(x):
\frametitle{Understanding Reduce for Sum}
\bi
-\item \texttt{reduce(lambda x, y: x+y, range(1, 5), 0)}
+\item \texttt{reduce(lambda x, y: x+y, range(1, 6), 0)}
\item \texttt{reduce(lambda x, y: x+y, [1, 2, 3, 4, 5], 0)}
\item \texttt{((((0+1)+2)+3)+4)+5}
\ei
--
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