No need for finding / calculating any phi or angle here. Just simpler than it is written.
Back to basics 3 - Temp Directory
Is the Point in a Circle?
"Low : High - Low : High - Turn around " -- Create a subindices vector
Is this triangle right-angled?
Narcissistic number ?
Flip the main diagonal of a matrix
Find the Kronecker Tensor Product without using KRON
Is A the inverse of B?
Solve the set of simultaneous linear equations
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