Lanczos approximation: Difference between revisions

Revision as of 08:11, 29 March 2021

Revision as of 13:34, 14 March 2022

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==Simple implementation==

The following implementation in the [[Python (programming language)|Python programming language]] works for complex arguments and typically gives 15 correct decimal places.

Note that omitting the smallest coefficients does(in notpursuit result inof aspeed, fasterfor butexample) slightlygives lesstotally accurateinaccurate implementationresults; the coefficients must be recomputed from scratch for an expansion with fewer terms.

<syntaxhighlight lang="python">