pracma (version 1.9.9)

quadcc: Adaptive Clenshaw-Curtis Quadrature

Description

Adaptive Clenshaw-Curtis Quadrature.

Usage

quadcc(f, a, b, tol = .Machine$double.eps^0.5, ...)

Arguments

f

integrand as function, may have singularities at the endpoints.

a, b

endpoints of the integration interval.

tol

relative tolerence.

...

Additional parameters to be passed to the function f.

Value

List with two components, value the value of the integral and the relative error error.

Details

Adaptive version of the Clenshaw-Curtis quadrature formula with an (4, 8)-point erroe term.

See Also

clenshaw_curtis

Examples

## Not run: 
# ##  Dilogarithm function
# flog <- function(t) log(1-t)/t
# quadcc(flog, 1, 0, tol = 1e-12)
# # 1.644934066848128 - pi^2/6 < 1e-13
# ## End(Not run)