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.
Find the sum of the elements in the "second" diagonal
Determine Whether an array is empty
Find out sum of all elements of given Matrix
factorial of a number x
Find out Harmonic mean.
Case-insensitive Character Detection
Find out phase angle of second order system.
MATLAB Basic: rounding
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