Write a function that returns that number of rows in a vector or matrix x
x = [1; 2; 3]
output = 3
Back to basics 9 - Indexed References
What number has this problem?
Create an index-powered vector
Vectors counting by 2
Matlab Basics II - Log and natural log
Matlab Basics - Absolute Value
Matlab Basics II - Max & Index of Max
Finding an element in a vector
Matlab Basics II - squares
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