Convert an RGB code to the corresponding CMYK code for printing.
The RGB input is a [1×3] double array between 0 and 1.
CMYK must be a [1×4] double array between 0 and 1.
Find the numeric mean of the prime numbers in a matrix.
Renaming a field in a structure array
Basics: 'Find the eigenvalues of given matrix
Switch matrix to a column vector
Find the hypotenuse
Sum two real numbers
Create an n-by-n null matrix and fill with ones certain positions
Compound interest - number e
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