Covering some basic topics I haven't seen elsewhere on Cody.
Given an input vector, output true or false whether it is a column vector.
The if statement did not work for x =1.
Their is a function for this already.
I guess this exercise is about learning that this function exists.
Swap the first and last columns
Encode Roman Numerals
Sum the Digits of a Number
Back to basics 8 - Matrix Diagonals
Back to basics 26 - Keywords
Bottles of beer
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