Generate vector according to sign of vector
Example: If A=[-2 0 5] then output must be[-1 0 1]
meaning that for negative number,value is -1.
meaning that for Positive number,value is 1. and for zero is 0.
Project Euler: Problem 1, Multiples of 3 and 5
Simple equation: Annual salary
Check transmitted data follow even parity (True or false)
Find out value of polynomial at different value.
Find the rank of a matrix
Cumulative product of a vector
Find out rooms, peak to peak, average for a square wave.
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