Parallel Numerical Derivatives, Gradients, Jacobians, and Hessians of Arbitrary Accuracy Order


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Documentation for package ‘pnd’ version 0.0.7

Help Pages

checkCores Number of core checks and changes
checkDimensions Determine function dimensionality and vectorisation
fdCoef Finite-difference coefficients for arbitrary grids
GenD Numerical derivative matrices with parallel capabilities
generateGrid Create a grid of points for a gradient / Jacobian
Grad Gradient computation with parallel capabilities
gradstep Automatic step selection for numerical derivatives
Hessian Numerical cross-derivatives with parallel capabilities
Jacobian Jacobian matrix computation with parallel capabilities
plotTE Estimated total error plot as in Mathur (2012)
runParallel Run a function in parallel over a list (internal use only)
solveVandermonde Numerically stable non-confluent Vandermonde system solver
step.CR Curtis-Reid automatic step selection
step.DV Dumontet-Vignes automatic step selection
step.M Mathur's AutoDX-like automatic step selection
step.plugin Plug-in step selection
step.SW Stepleman-Winarsky automatic step selection