Gradient.derivative¶
-
Gradient.
derivative
(self, point=None)[source]¶ Return the derivative operator.
The gradient is usually linear, but in case the ‘constant’
pad_mode
is used with nonzeropad_const
, the derivative is given by the Gradient withpad_const=0
.- Parameters
- point
domain
element, optional The point to take the derivative in. Does not change the result since the operator is affine.
- point