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updated 22 hours ago

Chebfun by Chebfun Team

Chebfun is an open-source package for numerical computation with functions to 15-digit accuracy (approximation, interpolation, quadrature)

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updated 4 months ago

Chebfun V4 by Chebfun Team

Numerical computation with functions instead of numbers. (numerical analysis, interpolation, approximation)

A greedy algorithm for choosing interpolation points

A keyhole contour integral

A parameter dependent ODE with breakpoints

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updated 1 year ago

Fast Chebyshev transform by Matt

Fast computation of the Chebyshev transform (spectral analysis, chebyshev)

fcht(v)

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updated 1 year ago

Inverse fast Chebyshev transform by Matt

Fast computation of the inverse Chebyshev transform (spectral analysis, chebyshev)

ifcht(a)

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updated 1 year ago

Fast Chebyshev second order differentiation by Matt

Fast computation of the second derivative of data located along Chebyshev points (spectral analysis, chebyshev, numerical differentia...)

fchd2(v)

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updated 1 year ago

Fast Chebyshev differentiation by Matt

Fast computation of the first derivative of data located along Chebyshev points (spectral analysis, chebyshev, numerical differentia...)

fchd(v)

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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);

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updated almost 2 years ago

Microstrip Filter Design by Hassan Najjar

An aid program to design an nth order LC circuit equivalent filter in microstrip. (bandpass, lowpass, highpass)

evalLumpedElement.m

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updated 2 years ago

Filtering using Butterworth and Chebyshev by vj

Filtering an user defined signal or .wav file using Butterworth and Chebychev. Noise - AWGN. (gui, signal processing, filtering)

proj_filtering(varargin)

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updated 3 years ago

Antenna Arrays by Amol Mahurkar

Produces radiation pattern for Broadside, Endfire, Binomial, and Dolph - Chebyshev antenna arrays (antenna array broadsi..., antenna, array)

Binomial_array_1.m

Broadside_array_1.m

Dolph_Chebyshev_array_1.m

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updated 3 years ago

Inverse Fast Chebyshev Transform (IFCT) by Allan Peter Engsig-Karup

Inverse Fast Chebyshev Transform (IFCT) for use with pseudospectral methods. (fct, inverste fast chebysh..., pseudospectral)

ifct(uh)

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updated 3 years ago

Fast Chebyshev Transform (FCT) by Allan Peter Engsig-Karup

Fast Chebyshev Transform (FCT) for use with pseudospectral methods. (fct, fast chebyshev transf..., pseudospectral)

fct(u)

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updated 3 years ago

Fast Possion equation solver by Evan Ruzanski

Solves the Poisson equation using Successive Overrelaxation (SOR) with Chebyshev acceleration. (numerical analysis, partial differential ..., pde)

solvePoissonSOR(y,maxIt,maxErr)

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updated 4 years ago

Non-parametric error/confidence intervals by Matthew Nelson

Calc standard error of the mean or non-parametric confidence intervals for samples of a time series (statistics, nonparametric, chebyshev)

DataSeriesNonParamErr.m

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updated 5 years ago

Calculate roots of Chebyshev polynomials. by Russell Francis

Calculate the roots of a Chebyshev polynomial of arbitrary degree. (approximation, interpolation, chebyshev)

ChebyshevRoots( n, type, range )

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updated almost 6 years ago

Design of Mechanism for Function Generator With 5 accuracy point by morteza ahmadi

This is my Mechanism Design project in Mechanical Engineering department of Amkabir University. (chebyshef, optimum diagram, 4 bar)

mech_export(varargin)

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updated 6 years ago

ChebyshevTools by Michael Watson

Tool box for solving ODE/PDEs using spectral Chebyshev differentiation matrices. (differential equation..., chebyshev, spectral differentiat...)

A=expD(M,ord,mod);

A_res=restrictA(A,m)

B=inv_deriv1(M);

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updated 7 years ago

Real roots on interval by Stephen Morris

Find all real roots of an arbitrary function over an arbitrary interval (approximation, interpolation, real)

roots=FindRealRoots(funhandle,a,b,n)

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updated 9 years ago

Fast Chebyshev Differentiation by Greg von Winckel

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

Dx=fastdiff(x);

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updated 9 years ago

Polyfit at Chebyshev Points by Tyrone Uy

Program demo using polyfit for plot chebyshev points. (polyfit, chebyshev, points)

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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)

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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)

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updated 10 years ago

Chebyshev Series Product by Greg von Winckel

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

c=chebprod(a,b)

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updated 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)

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updated 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)

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updated 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)

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updated 10 years ago

Chebyshev to Gegenbauer Conversion by Greg von Winckel

Converts Chebyshev polynomials to Gegenbauer polynomials. (approximation, interpolation, gegenbauer ultraspher...)

geg=cheb2geg(a,cheb)

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updated 10 years ago

Gegenbauer to Chebyshev Conversion by Greg von Winckel

Converts Gegenbauer polynomials to Chebyshev polynomials. (approximation, interpolation, gegenbauer ultraspher...)

cheb=geg2cheb(a,geg)

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updated 10 years ago

2D Chebyshev Transform by Greg von Winckel

Transforms between 2d nodal and spectral data (chebyshev, orthogonal, polynomial)

B=fcgltran2d(A,direction)

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updated 11 years ago

Analog Filter Design by M M

Analog filter design using Butterworth & Chebyshev approximations. (filter design, filter analysis, analog filter design)

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