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.
Remove any row in which a NaN appears
Test for balanced parentheses
Indexed Probability Table
Sum the numbers on the main diagonal
Matlab Basics - Create a row vector
Determine the mean of matrix
Find the rank of a matrix
Create Vector containing following elements
Union of two set decreasing order
Element by element multiplication of two vectors
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