I am trying to solve the 3D Poisson equation

$$\nabla\cdot(\epsilon(\mathbf{r})\nabla) u(\mathbf{r}) = f(\mathbf{r})$$

I notice intel advertises routines that appear to solve

$$\nabla^2u(\mathbf{r}) = f(\mathbf{r})$$

Does anyone know if I can find similar such routines for solving the more general electrostatics Poisson equation above?

  • $\begingroup$ ...are you looking for such routines/routine sequencies only within Intel MKL? $\endgroup$
    – Anton Menshov
    Oct 19 '18 at 14:50
  • 1
    $\begingroup$ The FFT approach used to solve $\nabla^{2} u = f$ isn't applicable to the more general equation. $\endgroup$ Oct 19 '18 at 17:11
  • $\begingroup$ @AntonMenshov Intel MKL would be ideal, as opposed to, say, my own jacobi solver. I've found a routine "pardiso" that may be useful. $\endgroup$
    – DJames
    Oct 21 '18 at 18:58

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