An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. For example, 153 is an Armstrong number since 1^3 + 5^3 + 3^3 = 153.
Omit columns averages from a matrix
Calculate the derivative of a polynomial
Do Fast Fourier Transformation
Area of a circle
Deleting an element in a matrix
CONVERT TAN TO SIN
Basics: 'Find the eigenvalues of given matrix
Simple date to serial no. conversion
check wether armstrong no or not
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