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Documentation editionOctober 2026Python API · Lumicron for Mac

Documentation/API reference/PDK authoring/lpdk.TabulatedIndex.group_index

lpdk.TabulatedIndex.group_index

Return n − λ dn/dλ from the same interpolant, preserving scalar/array shape.

lpdk.TabulatedIndex.group_index(wavelength_um: 'Any') -> 'Any'

Related API

lpdk.TabulatedIndexlpdk.TabulatedIndex.dn_dlambdalpdk.TabulatedIndex.from_csvlpdk.TabulatedIndex.model_post_initlpdk.TabulatedIndex.nlpdk.TabulatedIndex.wavelength_range_um

Documentation edition · 6 October 2026Suggest an improvement ↗

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