Installation
About
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.
optimizer.r-forge.r-project.org/ | |
Copyright | 2006-2011, Bank of Canada. 2012-2016, Paul Gilbert |
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Maintainer
Maintainer | Paul Gilbert |
Depends
R | ≥ 2.11.1 |