# Partial Differential Equations Support

Intel® MKL provides tools for solving Partial Differential Equations (PDE) (see Partial Differential Equations Support). These tools are Trigonometric Transform interface routines and Poisson Library.

The Trigonometric Transform routines may be helpful to users who implement their own solvers similar to the solver that the Poisson Library provides. The users can improve performance of their solvers by using fast sine, cosine, and staggered cosine transforms implemented in the Trigonometric Transform interface.

The Poisson Library is designed for fast solving of simple Helmholtz, Poisson, and Laplace problems. The Trigonometric Transform interface, which underlies the solver, is based on the Intel MKL FFT interface (refer to Fourier Transform Functions), optimized for Intel® processors.

Parent topic: About This Software