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.
Times 2 - START HERE
Return the 3n+1 sequence for n
Back to basics 2 - Function Path
Back to basics 13 - Input variables
Back to basics 15 - classes
Toolbox check part 3
Back to basics 18 - justification
Back to basics 23 - Triangular matrix
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