Write a function that returns that number of rows in a vector or matrix x
x = [1; 2; 3]
output = 3
Project Euler: Problem 7, Nth prime
Create a square matrix of multiples
Matlab Basics II - Velocity of a particle
Divide by 4
Matlab Basics II - Free Fall
Matlab Basics - Convert a row vector to a column vector
Matlab Basics II - Create a vector with a repeated entry
Matlab Basics II - 3 Dimensional Arrays
Matlab Basics II - Log and natural log
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