Write a function that returns that number of rows in a vector or matrix x
x = [1; 2; 3]
output = 3
Back to basics 23 - Triangular matrix
Set the array elements whose value is 13 to 0
Generate a random matrix A of (1,-1)
07 - Common functions and indexing 6
Matlab Basics - Rounding II
Matlab Basics - Switching Assignments
Finding an element in a vector
Matlab Basics - Logical Tests I
Matlab Basics - Create a row vector
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