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]
Whether the input is vector?
Rotate a Matrix by 90 degrees
Check if number exists in vector
Flip the vector from right to left
Create a Matrix of Zeros
Maximum value in a matrix
Area of a circle
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