Given a input matrix x, multiply all odd values by 3. Even values remain the same.
x = [1 2 3 4 5;...
6 7 8 9 10];
then y should be:
y = [3 2 9 4 15;...
6 21 8 27 10];
Basics: 'Find the eigenvalues of given matrix
Find the position of first minimum value in an integer array with numbers
Area of an equilateral triangle
Find a Pythagorean triple
Replace values under a limit
Remove multiples of N
How many complete pizzas (number 2)
Add the even numbers
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