Change given string to number. (hint: there is already function)
Changing from ['1234'] to  is one of example
Please expand the test suite so that solutions like this do not work.
Getting the absolute index from a matrix
Sum of odd numbers in a matrix
Change matrix to vector2
Replace 0 to NaN!
Solve equation numerically
Interpolate scattered data.
Find x in provided equation!
How to calculate log?
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