Write a logical function that returns 1 if the input matrix is symmetric and 0 otherwise.
You need a test case with a non-symmetric matrix. Otherwise, your test suite is too easily defeated.
I don't know
Rotate a Matrix
Output any real number that is neither positive nor negative
convert matrix to single column
Append two matrix as shown below example
Max index of 3D array
Volume difference between Ellipsoid and Sphere
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