What does numpy.gradient do?

Question

So I know what the gradient of a (mathematical) function is, so I feel like I should know what numpy.gradient does. But I don\'t. The documentation is not reall

Answer 1

The gradient is computed using central differences in the interior and first differences at the boundaries.

and

The default distance is 1

This means that in the interior it is computed as

where h = 1.0

and at the boundaries