Comments (3)
ivan-pi
commented on June 3, 2024
1
Also available in Octave as quadgk.
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holetuananh
commented on June 3, 2024
My program shows that it seems with the same absErr and relErr, the Matlab version gives around twice less function evaluations than one from Quadpack. I think that comes from the difference in error estimation (somehow mentioned in Shampine paper).
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jacobwilliams
commented on June 3, 2024
- Octave code here: https://github.com/gnu-octave/octave/blob/default/scripts/general/quadgk.m
- Julia code here: https://github.com/JuliaMath/QuadGK.jl/blob/master/src/adapt.jl
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Related Issues (18)
- Bug in dqawo
- dqng needs quad-precision coefficients
- Slatec routines
- tanh-sinh quadrature HOT 1
- CQUAD doubly-adaptive integration HOT 1
- Add basic adaptive Simpson and Lobatto
- Multidimensional integration
- add topic fortran-package-manager
- Bug in dqnc79 routine HOT 2
- Tests on PowerPC: 1 abnormal return from dqag, 1 abnormal return from dqng
- C or cplusplus api request
- quadpack fails to build on Sonoma (x86_64, arm64): `<ERROR> error: Missing key for table header` HOT 5
- Replace linpack DGTSL with lapack DGTSV HOT 4
- single, double, and quad procedures HOT 4
- Regenerate coefficients with more precision for quad precision version HOT 4
- Bug in weight value HOT 1
- Patterson method from NSCW library
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