Find out magnitude of vector.
Say x=[1 2 3], then answer must sqrt(1^2+2^2+3^2)
Please don't use sum function.
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Back to basics 23 - Triangular matrix
Add two numbers
Duplicate a character
Is the input divisible by 3?
Solve Linear equations
Find out Harmonic mean.
Element by element multiplication of two vectors
Check that number is whole number
Rotate Matrix @180 degree
Find out Binomial coefficient
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