No need for finding / calculating any phi or angle here. Just simpler than it is written.
How to find the position of an element in a vector without using the find function
Test if two numbers have the same digits
Back to basics - mean of corner elements of a matrix
Pi Digit Probability
Find the definite integral of various linear functions
Find the largest value in the 3D matrix
Find the nearest integer
Is this matrix orthogonal?
How many days does the cat take to climb out of the hole?
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