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;
Get the elements of diagonal and antidiagonal for any m-by-n matrix
Generate a random matrix A of (1,-1)
Concatenate two strings
Create a block diagonal matrix
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