|  | Chi-Tech
    | 
| Option name | Type | Default Value | Description | 
|---|---|---|---|
| "discretization_method" | string | "None" | Spatial discretization method. "PWLC", "PWLD_MIP". | 
| "max_iters" | int | 500 | Maximum iterations for solver convergence. | 
| "residual_tolerance" | float | 1.0e-8 | Residual convergence tolerance. | 
| "property_map_D" | int | 0 | Material property index to use for diffusion coefficient | 
| "property_map_q" | int | 1 | Material property index to use for source. | 
| "property_map_sigma" | int | 2 | Material property index to use for interaction coefficient. | 
To set these options use the command chiSolverSetBasicOption() with an option-name and value in the table above.
Example usage