Methods for calculating (usually) accurate numerical first and second order derivatives. Accurate calculations are done using 'Richardson''s' extrapolation or, when applicable, a complex step derivative is available. A simple difference method is also provided. Simple difference is (usually) less accurate but is much quicker than 'Richardson''s' extrapolation and provides a useful cross-check. Methods are provided for real scalar and vector valued functions.
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curl https://depscope.dev/api/check/conda/r-numderivFirst published · 2020-07-17 11:51:45.760000+00:00
Last updated · 2025-09-09 23:21:13.267000+00:00