Write a function that returns that number of rows in a vector or matrix x
x = [1; 2; 3]
output = 3
Increment a number, given its digits
Determine the number of odd integers in a vector
Divide by 4
Matrix of almost all zeros, except for main diagonal
Finding an element in a vector
Matlab Basics II - squares
Matlab Basics - Rounding II
Matlab Basics II - Max & Index of Max
Matlab Basics - Absolute Value
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