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.
Count decimal digits of a number
Matlab Basics - Rounding III
Matlab Basics II - Log and natural log
Find out value of polynomial at different value.
Converter temp 0 to 200 degree C to 4 to 20mA
Union of two set decreasing order
Create Vector containing following elements
Create an anti-identity matrix
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