[docs] document scattering conventions and frozen-basis workflows

Update examples for sampled-interface tapers, explicit physical CPML spacing, copied SCPML widths, and the consolidated complex mode solver. Document breaking API changes, overlap measures, and PML convergence.
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Forgejo Actions 2026-10-18 23:07:53 -07:00
commit 7e407dd1ac
10 changed files with 152 additions and 29 deletions

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@ -13,3 +13,8 @@
::: meanas.fdtd.energy
::: meanas.fdtd.phasor
CPML derivatives use electric widths for forward differences and magnetic
widths for backward differences. `cpml_params(..., dx=1.0)` specifies the uniform
physical cell width normal to a face; arbitrary nonuniform PML grading is not
implemented by this constructor. Scale the timestep consistently with the grid.