CUMSIM: "CUMulative SIMpson" integral by Vassili Pastushenko

Integral(y(x),x(1),x(end)) by Simpson. Nonequidistantlysampled data regularuzed by PARFIL (integration, cumulative, nonequidistant)

CS=cumspline(x,y)

ER=compcum

Y=cumsim(varargin)

quadg by Nabeel Azar

Gaussian Quadrature code and quadrature framework (quadrature, gaussian, integration)

quadg (fun,a,b,opts,varargin)

gaussleg by Matt Fig

Calculates the integral of function f from a to b using ngp Gauss points. (integration, gaussian legendre qua..., numerical)

gaussleg(f,a,b,gp,varargin)

Gauss3D by Matt Fig

Performs 3D Gaussian integration over user-defined volume. (integration, quadrature, gaussian)

[]=Gauss3D(arg)

n-dimensional simplex quadrature by Greg von Winckel

% Construct Gauss points and weights for a n-dimensional simplex (guass quadature, interval, simplex)

[X,W]=simplexquad(varargin)

Gaussian Quadrature for Triangles by Greg von Winckel

Compute Gauss nodes and weights for a triangle (integration, triangle, cubature)

[X,Y,Wx,Wy]=triquad(N,v)

Gauss Quadrature for Tetrahedra by Greg von Winckel

Compute Gauss weights and nodes for a specied tetrahedron (integration, gauss quadrature, tetrahedron)

[X,Y,Z,W]=tetraquad(N,vert)

gaussq by Per A. Brodtkorb

Numerically evaluates a integral using a Gauss quadrature. (integration, gauss, quadrature)

[bp,wf]=qrule(n,wfun,alpha,beta)

gaussq(fun,A,B,tol,trace,varargin)

Summed Newton-Cotes Rules by Greg von Winckel

2-11 Point Summed Newton-Cotes Rules (integration, numerical, summed newtoncotes)

Q=cotes(f,a,b,N,nodes)

Calculate Effective or RMS Values by Jan Lubina

Calculates the RMS for discrete time vectors. (current, rms, integration)

[XEFF,INDRISE,INDFALL]=calcEff(varargin)

Hermite Quadrature by Greg von Winckel

Computes the Hermite weights for user-defined nodes. (integration, hermite, interpolation)

[H0,H1]=hermquad(x)

Gauss-Chevyshev by Jordi Soler Penades

Integrates function using Gauss-Chevyshev method (integration, gausschevyshev integr..., function)

I=chevygauss(f,a,b,n)

p=chevypol(n)

y=fleg(f,a,b)

Gauss-Hermite by Jordi Soler Penades

Integrates a function using gauss-hermite method (integration, gausshermite, cuadrature)

I=gausshermi(f,a,b,n)

p=hermipol(n)

Gauss-Laguerre by Jordi Soler Penades

Integrates a functio using Gauss-Laguerre cuadrature method (integration, gausslaguerre, method)

I=gausslaguerr(f2,a,b,n)

p=polelague(n)

Montecarlo by Jordi Soler Penades

Integrates funcion using Monte-Carlo method (carlo, monte, monte carlo)

I=montec(f,a,b,n)

I=montec2var(g,a,b,c,d,n)

I=montec2vvar(g,cx,dx,a,b,c,d,n)

Simpson 2 var by Jordi Soler Penades

Evaluates double integral using simpson method on both variables (2 variables, integration, simpson)

I=simp2var(fsimp,c,d,a,b,m,n)

y=c(x)

y=d(x)

Radial Quadrature and Spectral Methods by Greg von Winckel

Weights, nodes, and spectral methods matices for radial problems (integration, radial, equations)

[r,w,P,Bs,Ds,Dp]=radialquad(N,k,R)

Inverse Gradient by Patrick Lu

The inverse function of gradient(). (integration, inverse reverse gradi..., invgradient)

invgradient(dFx,dFy,varargin)

Numerical Integration GUI by Robert Ackford

A GUI for plotting and evaluating the integral of statistical and f(x) functions. (numerical integration, statistic tables, integration)

GLNodeWt(ord)

nu(varargin)

Newmark's Direct Integration Method by Jose Antonio Abell Mena

Integrate a 1-DOF system using Newmark's Direct Integration Method. (newmark, 1 dof, structural)

newmark_int(t,p,u0,udot0,m,k,xi,varargin)

Gegenbauer-Gauss-Lobatto Quadrature by Greg von Winckel

Computes weights and nodes for Gegenbauer-Gauss-Lobatto quadrature. (integration, gegenbauer ultraspher..., numerical)

[x,w,C]=gglnodes(N,a)

Fast Clenshaw-Curtis Quadrature by Greg von Winckel

Computes Clenshaw Curtis weights and nodes using the FFT. (integration, numerical integration, clenshawcurtis)

[x,w]=fclencurt(N1,a,b)

Numerical Integration on an Arbitrary Grid by Greg von Winckel

Computes weights for numerical integration on arbitrary grid points. (integration, numerical, interation)

A=arbquad(x)

quadg/quad2dg by Per A. Brodtkorb

Modified versions of the quadg.m and quad2dg.m from the NIT (Numerical Integration Toolbox) (integration, intgration, modified)

quad2dg(fun,xlow,xhigh,ylow,yhigh,tol,p1,p2,p3,p4,p5,p6,p7,...

quadg(fun,xlow,xhigh,tol,trace,p1,p2,p3,p4,p5,p6,p7,p8,p9)

CUMSIMPSUM by Michael Meyer

Cumulative numerical integration via the Simpson's rule. (integration, simpson, simpsum cumtrapz)

s=cumsimpsum(y,DEL)

SIMPSUM by Vassili Pastushenko

Next to TRAPZ should be SIMPSON integration. (integration, numerical, simpson)

cubicSpline by Andrew Hastings

Accurate method to produce a curve through data points. (integration, curved lines, spline)

cubicSpline(coeff,smoothness);

Fourier Cosine Integral by Rob Alcock

Fourier cosine integral. (integration, fourier cosine integr..., calculate)

FourierC(X),

FourierS(x),

Legendre-Gauss Quadrature Weights and Nodes by Greg von Winckel

Computes the Legendre-Gauss weights and nodes for solving definite integrals. (integration, quadrature, legendre)

[x,w]=lgwt(N,a,b)

Legende-Gauss-Radau Nodes and Weights by Greg von Winckel

Computes the Legendre-Gauss-Radau nodes and weights. (integration, legendre, radau)

[x,w,P]=lglnodes(N)

Legende-Gauss-Lobatto nodes and weights by Greg von Winckel

Computes the Legendre-Gauss-Lobatto weights, nodes and vandermonde matrix. (nodes, lobatto, polynomials)

[x,w,P]=lglnodes(N)

Gauss-Legendre by Jordi Soler Penades

Numericaly evaluates integral using Gauss-Legendre quadrature method. (legendre, gauss, integration)

I=gausslege(f,a,b,n)

p=polegende(n)

y=flege(f,a,b)

quadcc by Paul Fricker

Numerical integration using Clenshaw-Curtis quadrature. (integration, intergration, quadrature)

quadcc(fun,a,b,tol)

quad_M;quadl_M by Mischa Tolsma

numerical integration with vector arguments (integration, numerical integration, quad)

quad_m(funfcn,a,b,tol,trace,varargin)

quadl_m(funfcn,a,b,tol,trace,varargin)