Apply a differentiation stencil along a one dimensional pencil, assuming periodic boundaries. For instance, with a four point stencil and weights
Type | Intent | Optional | Attributes | Name | ||
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class(differentiator_type), | intent(in) | :: | self | |||
real, | intent(in) | :: | f(:) |
Function to be derive, evaluated on pencil |
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real, | intent(in) | :: | dx |
Step size |
Derivative, evaluated on pencil