fitpack

GAMS classifications

• E — Interpolation
• E1 — Univariate data (curve fitting)
• E1a — Polynomial splines (piecewise polynomials)
• E2 — Multivariate data (surface fitting)
• H — Differentiation, integration
• H1 — Numerical differentiation
• H2 — Quadrature (numerical evaluation of definite integrals)
• H2a — One-dimensional integrals
• H2a2 — Finite interval (specific or special type integrand including weight functions, oscillating and singular integrands, principal value integrals, splines, etc.)
• H2a2b — Integrand available only on grid
• H2a2b2 — Nonautomatic
• K — Approximation
• K1 — Least squares (L-2) approximation
• K5 — Smoothing

About this package

Category

Interpolation

License

BSD-3-Clause

Topics: curve-fitting, derivatives, fortran, interpolation, smoothing, smoothing-splines, spline-approximation, spline-curve, spline-interpolation, splines, surface-fitting

Package dependencies

Resolved GitHub repositories used by the verified playground build, combining direct and indirect dependencies. This list does not describe internal module dependencies or native system libraries.

Required by this build

No additional GitHub package dependencies were recorded for this verified build.

Build record verified 2026-10-27.

Used by (0 selected packages)

No other selected build records this repository as a dependency. This is not a measure of usage outside the catalog.

Reviewed procedures

These mappings have pinned source evidence. A checked package example may exercise only some of them; source review is not a numerical benchmark.