Check that number is whole number
Say x=15, then answer is 1.
x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_number
Back to basics 7 - Equal NaNs
Find nth maximum
Rounding off numbers to n decimals
Area of a triangle
Matlab Basics - Pick out parts of a vector
Find out value of sine given by degree.
Find out value of polynomial at different value.
Rotate Matrix @180 degree
Find out rooms, peak to peak, average for a square wave.
Compute LOG(1+X) in natural log
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