Write a function that returns that number of rows in a vector or matrix x
x = [1; 2; 3]
output = 3
Back to basics 7 - Equal NaNs
Compute a dot product of two vectors x and y
Max of a Vector
Matlab Basics - Create a row vector
Matlab Basics II - Create a vector with a repeated entry
Matlab Basics - Rounding III
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics II - Find the roots of a function
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