Change the sign of all elements in given matrix.
Create a square matrix of multiples
Compute a dot product of two vectors x and y
Rotate a Matrix by 90 degrees
Sum of diagonals elements of a matrix
y equals x divided by 2
Calculate distance travelled when given radius and rotations
Calculate the peak value of square wave
Concatenate matrix into 4 quadrants for given number of iteration
Calculate value of capacitor
convert matrix to single column
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