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updated 6 months ago

Express_as_exponential_series by David H

Converts a symbolic expression S to the form S = sum_{k=1}^N c_k exp(b_k*t) (symbolic, exponential, series)


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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

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updated 10 months ago

LOGICALEXPAND by Jos (10584)

expand (or shrink) series in a logical vector (v2.0, feb 2014) (logical, find, shrink)


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updated 12 months ago

Fourier Series Example by Dimitrios Piretzidis

Fourier series representation of a 3rd degree polynomial function. (fourier, series, polynomial)



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updated 1 year ago

Metastockread by Oleg Komarov

Read metastock files (master, emaster, xmaster and .dat/.mwd) (metastock, read, import)


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updated 1 year ago

Trim leading/trailing repeated values by Oleg Komarov

Numeric vector/2D matrix. Trims leading, trailing or both sides; operates columnwise or row-wise. (trim, repeated, leading)


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updated 1 year ago

serie de fibonacci by luis

se realizara la serie de fibonacci (series)

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updated 3 years ago

ALTSUM by Jonas Lundgren

Convergence acceleration of alternating series. (sum, approximation, mathematics)


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updated 4 years ago

Hermite polynomials by Avan Suinesiaputra

Generate Hermite polynomials Hn(x) where n is the polynomial order. (hermite, polynomial, sequence)


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updated 6 years ago

fseriedemo by Matt Fig

Calculates and plots the Fourier Series Approximation to function f. (fourier, series, plot)


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updated almost 7 years ago

Square Wave Fourier Series Demo by Kanchi

Square Wave Fourier Series Demo (spectral analysis, square wave, fourier)

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updated 7 years ago

Zernike decomposition by Alex Chtchetinine

Decomposition of a 2-D function by set of Zernike functions (chemistry, physics, zernike functions)

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updated almost 8 years ago

Taylor series in the complex plane by Alex Barnett

2D plot of complex functions using color wheel, and animates their Taylor series convergence (specialized, plotting, education)

show_zser(a, opt);


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updated 8 years ago

resampleX by Ron Abileah

Resample time series (dsp, time, series)


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updated 8 years ago

WEACLIM by Vincent Moron

WEACLIM analyses, transforms and generate daily time series (of rainfall) for downscaling studies (climate, downscaling, statistical analysis)




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updated almost 9 years ago

max_min by M MA

Get extremes of series. (relative extremes, series, extreme)


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updated 9 years ago


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

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updated 9 years ago

lsf by M MA

Harmonic analysis of time series using Least Squares Fit. (spectral analysis, harmonic, series)


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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)


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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)


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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)


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updated almost 11 years ago

Pade' Approximant by Greg von Winckel

Computes coefficients of Pade' Approximants to symbolic functions. (approximation, interpolation, rational)


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updated almost 12 years ago

Harmonic Cursors by Jeffrey Daniels

Display harmonic cursors in frequency or time series plots. (specialized, plotting, harmonic)

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updated 12 years ago

plottt by Michael Robbins

plotxx with dates and reference windows. (specialized, plotting, time)

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updated 15 years ago

wave_cov by B.J. Whitcher

A series of files that perform univariate and bivariate wavelet analysis of discrete time series. (time frequency, wavelets, wavelet)

dwt_dbp(X, wavelet, nlevels, boundary)

modwt_brick_wall(X, wavelet, N)

modwt_dbp(X, wavelet, nlevels, boundary)

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