Just find the number of columns of the given matrix.
x = [1 2
y = 2
Maby this one needs some more test suites ;)
improve test suit
Maybe more test cases here? ;-)
Remove NaN ?
Back to basics 5 - Clipboard
Output any real number that is neither positive nor negative
What number has this problem?
Reverse a matrix
Concatenate two strings
Convert a number to its Roman representation
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