writemat

Note

This command is deprecated and will not ported to the new APBS syntax (see YAML- and JSON-format input files).

This controls the output of the mathematical operators in the Poisson-Boltzmann equation as matrices in Harwell-Boeing matrix format (multigrid only). The syntax is:

writemat {type} {stem}

where

type

A string that indicates what type of operator to output.

poisson

Write out the Poisson operator \(-\nabla \cdot \epsilon \nabla\).

stem

A string that specifies the path for the output.