A Python package for finite difference derivatives in any number of dimensions.
Features:
* Differentiate arrays of any number of dimensions along any axis
* Partial derivatives of any desired order
* Accuracy order can be specified
* Accurate treatment of grid boundary
* Includes standard operators from vector calculus like gradient, divergence and curl
* Can handle uniform and non-uniform grids
* Can handle arbitrary linear combinations of derivatives with constant and variable coefficients
* Fully vectorized for speed
* Calculate raw finite difference coefficients for any order and accuracy for uniform and non-uniform grids
* _New in version 0.7:_ Generate matrix representations of arbitrary linear differential operators
* _New in version 0.8:_ Solve partial differential equations with Dirichlet or Neumann boundary conditions
* _New in version 0.9:_ Generate differential operators for generic stencils
* _New in version 0.10:_ Create symbolic representations of finite difference schemes
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