Find the fourier transform of a given input vector
for ex a=[1 2 3 4]
then y=[ 10.0000 + 0.0000i -2.0000 + 2.0000i -2.0000 + 0.0000i -2.0000 - 2.0000i]
Distance walked 2D
Doubling elements in a vector
Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]
Find out value of sine given by degree.
Area of a circle
Maximum value in a matrix
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