Integration, Minimization, Non-linear Fitting

D101 SIMPS

Integration by Simpson's Rule

D102 RADAPT

Adaptive Gaussian Quadrature

D103 GAUSS

Adaptive Gaussian Quadrature

D104 RCAUCH

Cauchy Principal Value Integration

D105 RTRINT

Integration over a Triangle

D106 RGS56P

Gaussian Quadrature with Five- and Six-Point Rules

D107 RGQUAD

N-Point Gaussian Quadrature

D108 TRAPER

Trapezoidal Rule Integration with an Estimated Error

D110 RGMLT

Gaussian Quadrature for Multiple Integrals

D113 CGAUSS

Adaptive Complex Integration Along a Line Segment

D114 RIWIAD

Adaptive Multidimensional Monte-Carlo Integration

D200 RRKSTP

First-order Differential Equations (Runge-Kutta)

D201 RDEQBS

First-order Differential Equations (Gragg--Bulirsch--Stoer)

D202 RDEQMR

First-order Differential Equations (Runge--Kutta--Merson)

D203 RRKNYS

Second-order Differential Equations (Runge--Kutta--Nyström)

D300 EPDE1

Elliptic Partial Differential Equation

D302 ELPAHY

Fast Partial Differential Equation Solver

D401 RDERIV

Numerical Differentiation

D501 LEAMAX

Constrained Non-Linear Least Squares and Maximum Likelihood Estimation

D503 RMINFC

Minimum of a Function of One Variable

D506 MINUIT

Function Minimization and Error Analysis

D510 FUMILI

Fitting Chisquare and Likelihood Functions [Obsolete]

D601 RFRDH1

Solution of a Linear Fredholm Integral Equation of Second Kind

D700 RFT

Real Fast Fourier Transform

D703 RFFT

Real Fast Fourier Transform

D704 CFFT

Complex Fast Fourier Transform