Package: numDeriv 2022.9-1

Paul Gilbert

numDeriv: Accurate Numerical Derivatives

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.

Authors:Paul Gilbert and Ravi Varadhan

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Last updated 1 years agofrom:cf5e5a9c41. Checks:OK: 1 WARNING: 6. Indexed: yes.

Exports:genDgradhessianjacobian

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