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.
Which values occur exactly three times?
Project Euler: Problem 2, Sum of even Fibonacci
Reverse a matrix
Find the 9's Complement
Back to basics 25 - Valid variable names
Back to basics 18 - justification
Back to basics 24 - Symbolic variables
Back to basics 26 - Keywords
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