Write a function that returns that number of rows in a vector or matrix x
x = [1; 2; 3]
output = 3
Finding Perfect Squares
Project Euler: Problem 1, Multiples of 3 and 5
Find out missing number from a vector of 9 elements
Is the input divisible by 3?
Matlab Basics II - Find the roots of a function
Matlab Basics II - Create a vector with a repeated entry
Matlab Basics II - Determine if an array has a 3rd dimension
Matlab Basics - Logical Tests I
Matlab Basics - Rounding II
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