No need for finding / calculating any phi or angle here. Just simpler than it is written.
Find the two most distant points
Sum the numbers on the main diagonal
Return area of square
03 - Matrix Variables 3
Find the nearest integer
Find the definite integral of various linear functions
Find the largest value in the 3D matrix
Pythagorean perfect squares: find the square of the hypotenuse and the length of the other side
Is this matrix orthogonal?
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