Given the vectors x and y as input, multiply the vectors and return the summation of its elements.
x = [1 2 3 4];
y = [4 3 2 1];
x * y = [4 6 6 4];
z = 4 + 6 + 6 + 4 = 20
Find the sum of all the numbers of the input vector
Increment a number, given its digits
We love vectorized solutions. Problem 1 : remove the row average.
Find the area of the four walls
Find the product of a Vector
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