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A Python package for finite difference derivatives in any number of dimensions.

Project description

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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