solutions are rounded in a somewhat arbitrary fashion...
Your value of pi is wrong.
The problem should specify that the used value for pi is 3.1416 (since this is not its true value), and that we need to use floor with precision of 4 decimal places.
sum of non-primes
Duplicate a character
Replace values under a limit
MATLAB Basic: rounding III
Throw common elements of two vector arrays in sorted manner
Moore-Penrose pseudoinverse of matrix
Delete blanks at the end of string
Output a vector which is table of 9
To convolve two vectors
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