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 all elements less than 0 or greater than 10 and replace them with NaN
Saving MATLAB session to a file
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05 - Vector Equations 1
Convert radians to degrees
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