quadDeriv {rjacobi}R Documentation

Quadrature Derivation

Description

Derivates a function given at the quadrature nodes

Usage

df = quadDeriv(quad, f)

Arguments

quad A list created by the quadGJ family of functions
f A function or a vector with function values at quadrature points

Value

Returns the approximate derivative of the function at quadrature nodes

References

Abramowitz, Milton and Stegun, Irene (editors); "Handbook of Mathematical functions", Dover Publications 1965.

Karniadakis, George Em and Sherwin, Spencer; "Spectral/hp Element Methods for Computational Fluid Dynamics", Oxford Science Publications, 2nd edition, 2005.

See Also

quadrature zerosGJ diffmatGJ quadGJ


[Package rjacobi version 0.9.2 Index]