usual me - 6 months ago 69

Python Question

So I know what the gradient of a (mathematical) function is, so I feel like I should know what

`numpy.gradient`

Return the gradient of an N-dimensional array.

What is the gradient of an array? When is

`numpy.gradient`

Answer

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

Source (Stackoverflow)