findiff¶
A Python package for finite difference numerical derivatives and partial differential equations in any number of dimensions.
Features¶
Differentiate arrays of any number of dimensions along any axis with any desired accuracy order
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 arbitrary stencils