Test 4 is wrong; y_correct should be [1; 2; 4]
I´m afraid all tests are correct. But thanks anyway!
01 - Scalar variables
Area of a triangle
Determine the mean of matrix
Rotate matrix by -90 degrees
Horizontal matrix sort
Approximate the inverse tangent by power series
Ratio between sum of primes and sum of factors
Say type of roots in quadratic equation
Alternate list of elements
Check if is a square
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