image thumbnail

updated 7 months ago

First derivative of (normalized) associated Legendre polynomials by Rody Oldenhuis

First derivative of (normalized) associated Legendre polynomials (legendre, associated legendre p..., derivative)

image thumbnail

updated 10 months ago

Fractional differentiation and integration by George Papazafeiropoulos

The n-th order derivative or integral of a function is calculated through Fourier series expansion. (gauss, legendre, fractional)

Cubic polynomial differintegral

Identity function differintegral

Tabular function differintegral

image thumbnail

updated 1 year ago

Collocation-based spectral-element toolbox by Nathaniel Jewell

Functions and example codes for a collocation spectral-element scheme (Chebyshev or Legendre) (numerical, spectral, pseudospectral)

...

...

[x,D]=legDc(N);

image thumbnail

updated 3 years ago

QUADGR by Jonas Lundgren

Gauss-Legendre quadrature with Richardson extrapolation. (quadrature, integral, approximation)

quadgr(fun,a,b,tol,trace,varargin)

image thumbnail

updated 4 years ago

Gauss quadrature nodes and weights. by Nick Hale

Computing Gauss quadrature nodes and weights with the chebfun system (chebfun, gauss, quadrature)

legpts_demo.m

image thumbnail

updated 6 years ago

gaussquad by Matt Fig

Adaptive form of gaussleg.m. (integration, gauss, gaussian)

gaussquad(f,a,b,tol)

image thumbnail

updated 8 years ago

Legendre polynomial Pm(x) by Sergei Koptenko

Legendre polynomial Pm(x). (legendre polynomial, function, construct)

p=legendrep(m,x)

image thumbnail

updated 8 years ago

Legendre Transformation of a one variable function by Miguel D. B.

Given a function F and a vector x, returns two vectors of numbers xx=F'(x) and yy=F(x)-x*xx (numerical approximati..., legendre, function)

image thumbnail

updated almost 9 years ago

quadg by Nabeel Azar

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

image thumbnail

updated almost 9 years ago

Gauss3D by Matt Fig

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

[]=Gauss3D(arg)

image thumbnail

updated 9 years ago

Legendre Roots by Ulises Velasco

Program made to find legendrie's polinomial roots or zeros. (approximation, interpolation, legendre)

y=cdl(grado)

y=px(x,y)

image thumbnail

updated 9 years ago

Spherical Harmonics by Daniel Ennis

This function generates the Spherical Harmonics basis functions of degree L and order M. (differential equation..., spherical, harmonic)

[Ymn,THETA,PHI,Xm,Ym,Zm]=spharm4(L,M,RES,PLOT_FLAG);

image thumbnail

updated 10 years ago

LegendreShiftPoly by Peter Roche

This program returns the coefficients of the shifted Legendre polynomial P_n, given n. (approximation, interpolation, shifted)

image thumbnail

updated 10 years ago

Legendre-Pade Approximation by Greg von Winckel

Computes the Legendre Pade approximation to an analytic function. (approximation, interpolation, legendre)

[ahat,bhat]=legendrepade(f,tol)

image thumbnail

updated 10 years ago

Legendre Collocation Differentiation by Greg von Winckel

Numerically differentiates functions sampled at the LGL nodes. (differential equation..., legendre, polynomials)

[x,D]=legDc(N);

image thumbnail

updated 10 years ago

Legendre-Gauss Quadrature Weights and Nodes by Greg von Winckel

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

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

image thumbnail

updated 10 years ago

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)

image thumbnail

updated 10 years ago

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

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

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

image thumbnail

updated almost 11 years ago

Gauss-Legendre by Jordi Soler Penades

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

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

polegende.m

y=flege(f,a,b)

Contact us