grad
grad(func, shift=None, order=None, method='FD')
Gradient of the input Function.
Parameters
Name | Type | Description | Default |
---|---|---|---|
func |
Function or TensorFunction | Function to take the gradient of | required |
shift |
Shift for the center point of the derivative in number of gridpoints | None |
|
order |
Discretization order for the finite differences. Uses func.space_order when not specified |
None |
|
method |
Discretization method. Options are ‘FD’ (default) and ‘RSFD’ (rotated staggered grid finite-difference). | 'FD' |