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.
Back to basics 11 - Max Integer
Create matrix of replicated elements
Simple equation: Annual salary
Element by element multiplication of two vectors
Speed of car
Crate a vector of logarithmically spaced
Solve Linear equations
Find out total non zero element of matrix
Find out output of following expression
Create vector as shown in test cases
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