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.
Find the numeric mean of the prime numbers in a matrix.
Set some matrix elements to zero
Output any real number that is neither positive nor negative
04 - Scalar Equations 1
Back to basics 14 - Keywords
Back to basics 18 - justification
Valid Chess Moves
Back to basics 26 - Keywords
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