Find out sum of principal diagonal element of given matrix
If A=[1 0 0;
0 1 0;0 0 1], then answer must be 3.
Angle between two vectors
middleAsColumn: Return all but first and last element as a column vector
Return the first and last character of a string
Return area of square
Find the Nth Root of a Given Number
Check transmitted data follow even parity (True or false)
Find out Binomial coefficient
Find out magnitude of vector
Find out of matrix transpose Complex conjugate
Create Vector containing following elements
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