Write a function that returns that number of rows in a vector or matrix x
x = [1; 2; 3]
output = 3
Project Euler: Problem 1, Multiples of 3 and 5
Convert a vector into a number
Swap two numbers
Matlab Basics - Assigning Variables
Matlab Basics II - Extract last 3 elements of a vector
Matlab Basics II - Unit Conversion
Matlab Basics II - Velocity of a particle
Matlab Basics - Rounding I
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