Write a function that returns that number of rows in a vector or matrix x
x = [1; 2; 3]
output = 3
Finding Perfect Squares
Replace Vector Elements
Return 'on' or 'off'
Create an index-powered vector
Sum of the Multiplication of Vectors
Matlab Basics - Convert a row vector to a column vector
Matlab Basics - Assigning Variables
Matlab Basics II - Velocity of a particle
Finding an element in a vector
Matlab Basics - Switching Assignments
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