image thumbnail

updated 10 months ago

Polynomial Toolbox: polyBox Version 2.1 by Matthew Harker, Paul O'Leary,

Polanomial approximation, polynomials as admissible functions, a comprehensive tutorial. (polynomials, covariance, convolution)

Demonstrate 2: Constrained Polynomials and Beam Measurements

Demonstrate the Constrained Polynomial Approximation

Example of Constrained Polynomials

image thumbnail

updated 11 months ago

Sylvester Matrix by Jos (10584)

SYLVESTER - Sylvester matrix of two polynomials (v3.0, june 2013) (matrix, polynomials, polynomial)

sylvester(P,Q ,MpMq)

image thumbnail

updated 1 year ago

Polynomial Curve Fitting by Khaled Sharif

Will fit two sets of data to a polynomial. (curve fitting, simulation, polynomials)

fitting (x,y, max)

image thumbnail

updated 2 years ago

polyfit_roots by Amit Hochman

Similar to polyfit, but allows higher degrees by returning the roots of the polynomial. (polynomials, leastsquares, curvefitting)

Polynomial fitting with polyfit_roots

[Q,H]=arnoldi(A,b,k)

polyfit_roots(x, y, N, tol)

image thumbnail

updated 2 years ago

Myriapole by Anton

This program computes generalized polarization tensors (GPT's). (generalized polarizat..., contracted gpt, inverse conductivity ...)

GPTGUI(varargin)

boundarydet(acc,IM)

disktensor(order,r,k)

image thumbnail

updated 2 years ago

Symbolic polynomials by Levente Hunyadi

Object-oriented symbolic polynomial manipulation in one or more variables (mathematics, symbolic variables, polynomials)

[nodes,weights]=gaussquadrule(n,class,alpha,beta)

latexgreek(s)

merge(a, b)

image thumbnail

updated 4 years ago

Zernike Polynomial Coefficients for a given Wavefront using Matrix Inversion in Matlab by Christopher Wilcox

Calculation of Zernike Polynomial Coefficients for a given Wavefront using Matrix Inversion (zernike, polynomials, wavefront)

zernike_coeffs(phi, M)

image thumbnail

updated 4 years ago

Polynomial Square Root by Andre Fioravanti

Finds the square root of a polynomial. (mathematics, linear algebra, polynomials)

polysqrt(p)

image thumbnail

updated 5 years ago

Routh-Hurwitz stability table for continuous systems by Ismail Delice

It creates Routh-Hurwitz stability table symbolically for a given continuous polynomial coefficients (routhhurwitz, stability, continuous systems)

myRouth(b)

image thumbnail

updated 5 years ago

resid2rhit by Bradley

Computes partial fraction expansion by a batch method. (residuem, complex, roots)

resid2rhit(b,a);

image thumbnail

updated 7 years ago

CRC code generator by Nawaz Satvilkar

Code generates CRC code for any binary data stream & generator polynomial (coding theory, information theory, crc)

crc9.m

image thumbnail

updated 7 years ago

Euclid's algorithm by Farshad Merrikh bayat

This function do the Euclid's algorithm. (controls, euclid, coprime)

euclid(n,m)

image thumbnail

updated 8 years ago

ORTHPOLYFIT, ORTHPOLYVAL by Ingo Löhken

Direct transform of multivariate series to a polynomial domain by the Gaussian quadrature methods. (approximation, interpolation, orthogonal)

image thumbnail

updated 8 years ago

Fast Chebyshev Differentiation by Greg von Winckel

Computes the numerical derivative on the Chebyshev grid. (approximation, interpolation, chebyshev)

Dx=fastdiff(x);

image thumbnail

updated almost 9 years ago

Stirling numbers of the first kind by Steven Huang

This c-mex function obtains the Stirling numbers of the first kind. (stirling number, cmex function, coefficients)

image thumbnail

updated almost 9 years ago

Chinese Remainder Theorem for Polynomials by Sundar Krishnan

Verifies the Chinese Remainder Theorem for Polynomials (of "congruence") (linear algebra, chinese remainder the..., polynomials)

[ c_soln_Poly, Gk_Poly, ...

image thumbnail

updated 9 years ago

Fast Chebyshev Transform (1D) by Greg von Winckel

Transfroms between nodal and spectral values. (approximation, interpolation, fast)

B=fcgltran(A,direction)

image thumbnail

updated 9 years ago

coeffsort by Star Strider

Reformats coeffs output to conform to MATLAB conventions for polynomial expression and evaluation. (symbolic, coeffs, polynomials)

coeffsort.m

image thumbnail

updated 9 years ago

ortho_poly.m (Chebyshev polynomials) by Balajee Ananthasayanam

Evaluates chebyshev polynomials with vector arguments for vector arguments x. (approximation, interpolation, chebyshev)

pl=ortho_poly(kf,x,n)

image thumbnail

updated 9 years ago

Weighted Grid Points by Greg von Winckel

Computes the Lobatto points for an arbitrary weight. (approximation, interpolation, pseudospectral)

[xg,D]=wgrid(w,N)

image thumbnail

updated 9 years ago

Savitzky-Golay Smoothing and Differentiation Filter by Jianwen Luo

Savitzky-Golay smoothing and differentiation filter calculated with the recursive properties ... (filter design, filter analysis, savitzkygolay)

hnstm=sgsdf_gram_poly(n,s,t,m)

image thumbnail

updated almost 10 years ago

Chebyshev Series Product by Greg von Winckel

Computes the product of two Chebyshev expansions. (approximation, interpolation, chebyshev)

c=chebprod(a,b)

image thumbnail

updated almost 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 almost 10 years ago

Chebyshev-Pade Approximation by Greg von Winckel

Computes the rational Chebyshev approximation of a function. (approximation, interpolation, chebyshev)

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

image thumbnail

updated almost 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 almost 10 years ago

Chebyshev to Jacobi Conversion by Greg von Winckel

Converts a Chebyshev polynomial expansion to a Jacobi expansion (approximation, interpolation, chebyshev)

jac=cheb2jac(a,b,cheb)

image thumbnail

updated almost 10 years ago

Jacobi to Chebyshev Conversion by Greg von Winckel

Converts a Jacobi polynomial expansion to a Chebyshev expansion. (approximation, interpolation, jacobi)

cheb=jac2cheb(a,b,jac)

image thumbnail

updated almost 10 years ago

Legendre to Chebyshev conversion by Greg von Winckel

Converts Legendre polynomials to Chebyshev polynomials. (approximation, interpolation, chebyshev legendre)

cheb=leg2cheb(leg)

image thumbnail

updated almost 10 years ago

Chebyshev to Legendre conversion by Greg von Winckel

Converts Chebyshev polynomials to Legendre polynomials. (approximation, interpolation, chebyshev legendre)

leg=cheb2leg(cheb)

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 10 years ago

GloptiPoly by Didier Henrion

MATLAB/SeDuMi add-on to build and solve convex LMI relaxations of non-convex global optimization. (optimization, global optimization, polynomials)

gloptipoly(P,order,pars)

image thumbnail

updated 16 years ago

resid2wp.m by Bradley Burchett

This file fixes (to a certain degree) the numerical problems with repeated roots in 'residue.m'. (residuem, complex, roots)

resid2wp(u,v,k)

Contact us