Given a square matrix A, compute the determinant of A.
Note that you may not use the built-in MATLAB function det(). This will be checked.
A = 1;
y = 1;
A = [1 2; 3 4];
y = -2;
Distance walked 1D
Colon operator of two vectors
Sum the elements in either diagonal of a square matrix
Find nth maximum
Create a block diagonal matrix
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