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Date: Updated Submitted Time Frame: All Time Last 30 Days Last 7 Days			1 - 27 of 27
Date	File	Tags	Downloads (last 30 days)	Comments	Ratings
18 Sep 2009	Interactive Derivative Interactive Derivative for time-series signals. Author: Tom O'Haver	physics, spectroscopy, differentiation, analytical chemistry, chemistry, signal processing	100	0
03 Feb 2009	Numerical Differentiation Performs single dimensional differentiation numerically. Author: Husam Aldahiyat	numerical, differences, differentiation, divided	123	0
13 Jan 2009	Automatic Numerical Differentiation Numerical derivative of an analytically supplied function, also gradient, Jacobian & Hessian Author: John D'Errico	multivariable, numerical, multivariate, differentiation, derivative	284	18	4.6 4.6 \| 10 ratings
29 Jan 2008	ChebyshevTools Tool box for solving ODE/PDEs using spectral Chebyshev differentiation matrices. Author: Michael Watson	spectral differentiat..., quasi inverse, differential equation..., chebyshev, mathematics	19	0
02 Jan 2008	Complex step Jacobian Calculate Jacobian using complex step differentiation Author: Yi Cao	complex step differen..., jacobian, mathematics, general	153	2	5.0 5.0 \| 3 ratings
02 Jan 2008	Complex step Hessian Calculate Hessian using complex step differentiation Author: Yi Cao	complex step differen..., second order, complex, hessian	181	6	4.8 4.8 \| 5 ratings
02 Jan 2008	fminconCSD A wrap of fmincon using complex step differentiation to calculate gradient Author: Yi Cao	complex step differen..., optimization, nonlinear optimizatio..., fmincon	118	1	5.0 5.0 \| 3 ratings
01 Jan 2008	lsqnonlinCSD A wrap of lsqnonlin using complex step differentiation to get Jacobian Author: Yi Cao	complex step differen..., lsqnonlin, nonlinear least squar..., optimization	136	1	5.0 5.0 \| 3 ratings
23 Oct 2007	Movingslope Sliding window regression to compute slope estimates along a curve Author: John D'Errico	slope, moving average, sav, filter, noise, differentiation	172	1	5.0 5.0 \| 1 rating
14 Feb 2007	Numerical differentiation based on wavelet transforms Numerical differentiation based on wavelet transforms (CWT and DWT) Author: Jianwen Luo	time frequency, differentiation, wavelets, wavelet, derivative	159	4	5.0 5.0 \| 4 ratings
05 Feb 2007	fractional differentiator This function calculates the fractional differentiate of a given input signal. Author: Farshad Merrikh bayat	fractional differenti..., vector, derivative, signal processing	36	1
06 Dec 2005	Savitzky-Golay Smoothing and Differentiation Filter Savitzky-Golay smoothing and differentiation filter. Author: Jianwen Luo	filter design, filter analysis, savitzkygolay, smoothing, differentiation, signal processing	152	14	4.38462 4.4 \| 13 ratings
29 Nov 2005	2-D Savitzky-Golay Smoothing and Differentiation Filter. 2-D Savitzky-Golay smoothing and differentiation filters, including those for mixed partial ... Author: Jianwen Luo	filter design, filter analysis, savitzkygolay, smoothing, differentiation, derivative	152	2
11 Nov 2005	2-D Savitzky-Golay Smoothing and Differentiation Filter Obtain the coefficients of the 2-D Savitzky-Golay smoothing and differentiation filter, ... Author: Jianwen Luo	filter design, filter analysis, savitzkygolay, smoothing, differentiation, leastsquares	115	0
15 Sep 2005	Fast Chebyshev Differentiation Computes the numerical derivative on the Chebyshev grid. Author: Greg von Winckel	polynomials, interpolation, spectral, differentiation, chebyshev, approximation	102	0
13 Jun 2005	The Even-length Savitzky-Golay Filter The even-length Savitzky-Golay filter with a Gram polynomial approach. Author: Jianwen Luo	analysis, filter design, filter analysis, savitzkygolay, smoothing, differentiation	104	0
28 Feb 2005	Adaptive-degree polynomial (Savitzky-Golay) filter for data differentiation Adaptive-degree polynomial filter (Savitzky-Golay Filter) for data differentiation (1st derivative). Author: Jianwen Luo	filter design, polynomial, filter analysis, savitzkygolay, differentiation, adaptive	149	0
08 Nov 2004	Smooth Differentiation A smoothed differentiation filter (digital differentiator). Author: Jianwen Luo	filter design, filter analysis, smoothing, differentiation, smoothed, smooth	153	3	4.16667 4.2 \| 6 ratings
02 Nov 2004	2-D Savitzky-Golay Differentiation Filter 2-D Savitzky-Golay Differentiation Filter. Author: Jianwen Luo	savitzkygolay filter, filter design, analysi, polynomial filter, filter analysis, differentiation	134	2	5.0 5.0 \| 1 rating
15 Oct 2004	Savitzky-Golay smoothing and differentiation filter (closed-formed solutions) explicit (closed-formed) solutions of the Savitzky-Golay smoothing and differentiation filter Author: Jianwen Luo	filter design, explicit, filter analysis, closedformed, savitzkygolay, smoothing	100	1
28 Jul 2004	Savitzky-Golay Smoothing and Differentiation Filter Savitzky-Golay smoothing and differentiation filter calculated with the recursive properties ... Author: Jianwen Luo	polynomials, filter design, filter analysis, savitzkygolay, smoothing, differentiation	107	1	4.0 4.0 \| 1 rating
21 Jul 2004	Pseudospectral Differentiation on an Arbitrary Grid Numerically differentiates a function on an arbitrary grid. Author: Greg von Winckel	pseudospectral, numerical, collocation, differentiation, differential equation...	123	0
28 May 2004	Legendre Collocation Differentiation Numerically differentiates functions sampled at the LGL nodes. Author: Greg von Winckel	differential equation..., legendre, spectral, numerical, differentiation, polynomials	131	0
26 Mar 2004	parabolderiv Differentiates a vector of (sampled) data using the derivative of local parabolic fits to the data. Author: Robert Klein-Douwel	interpolation, parabolic fit, differentiation of ar..., lanczos, approximation, derivative	39	1	5.0 5.0 \| 1 rating
03 Jun 2003	Low-pass IIR digital differentiator design Low pass IIR Digital differentiator weighted Inverse Simpson and trapezoidal scheme. Author: YangQuan Chen	filter design, filter, filter analysis, iir, digital differentiato..., numerical differentia...	118	0
03 Jun 2003	Low-pass FIR digital differentiator design Low-pass FIR digital differentiator (LPFIRDD) design via constrained quadratic programming (QP). Author: YangQuan Chen	filter design, filter, fir, filter analysis, digital differentiato..., numerical differentia...	106	0	5.0 5.0 \| 1 rating
02 Jun 2003	nd5p.m Numerical differentiation for an equi-spaced one-dim array. Author: YangQuan Chen	filter design, polynomial, fit, filter analysis, digital differentiato..., numerical differentia...	126	2	5.0 5.0 \| 2 ratings
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