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Date   File Tags Downloads
(last 30 days) 		Comments Ratings
12 Nov 2009 Screenshot der.m v1.0 (Nov, 2009) Estimates first derivative of an array by using POLYFIT locally on each point ignoring NaNs! Author: Carlos Adrian Vargas Aguilera integral, slope, linear regression, smooth, polyfit, gradient 44 0
11 Aug 2009 Screenshot Spline derivative Compute spline function and its derivative Author: Bruno Luong interpolation, spline, derivative 139 0
29 Jul 2009 Screenshot nanderivative.m v2.1 (Jul 2009) N-order derivative of vector data by interpolating nearby points, ignoring NaNs. Author: Carlos Adrian Vargas Aguilera derivative, gradient, slope, interp1, linear, interpolation 144 0
23 Jun 2009 DIFFERENT An alternative to GRADIENT for non-uniform grids. Author: Jonas Lundgren gradient, approximation, different, derivative 15 0
18 May 2009 Published M-Files Matrix approach to discretization of ODEs and PDEs of arbitrary real order Functions illustrating matrix approach to discretization of ODEs / PDEs with fractional derivatives. Author: Igor Podlubny differential, discretization, mathematics, fractional differenti..., fractional derivative, fractional diffusion ... 59 1
  • 5.0
5.0 | 1 rating
26 Jan 2009 Multivariate Nonlinear optimization using Marquardt Method Multivariate Nonlinear optimization using Marquardt Method Author: Siamak Faridani nonlinear, optimization, hessian, derivative 136 0
13 Jan 2009 Published M-Files Automatic Numerical Differentiation Numerical derivative of an analytically supplied function, also gradient, Jacobian & Hessian Author: John D'Errico multivariable, numerical, multivariate, differentiation, derivative 276 18
  • 4.6
4.6 | 10 ratings
16 Oct 2008 Screenshot ddt Calculate time derivative as a function of state and input variables of a (nonlinear) dynamic system Author: Gijs van Oort dynamic systems, time derivative, fulldiff, symbolic math, symbolic toolbox 14 0
28 Aug 2008 Pricing Basket Option Functions for pricing of a basket option Author: Abhishek Bharadwaj analysis, modeling, basket, rainbow, option, pricing 55 0
  • 5.0
5.0 | 1 rating
18 Jun 2008 6th order Pade Derivative A set of functions to compute high order (6th) finite difference derivatives (first and second orde Author: Julien Reveillon thomas algorithm, finite difference, high order derivative 12 0
29 May 2008 Published M-Files Adaptive numerical limit estimation Numerical extrapolation of a limit (with an error estimate) from only function values Author: John D'Errico asymptote, pole, complex, residue, adaptive, derivative 133 4
  • 4.0
4.0 | 4 ratings
13 Mar 2008 Screenshot curvature 8-connected neighborhood curvature of a digital elevation model Author: Wolfgang Schwanghart gis, slope, surface, digital elevation mod..., terrain, derivative 123 1
  • 5.0
5.0 | 1 rating
15 Feb 2008 BessDerivZerosBisect Calculates the zeros of J_m prime Author: Larry Forbes interpolation, firstkind bessel func..., bisection algorithm, approximation, zeros 57 1
  • 2.0
2.0 | 1 rating
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
24 May 2007 Screenshot Matlab-GUI equity derivative calculator equity derivative calculator using matlab GUI Author: Bill analysis, modeling, derivative calculator..., finance 44 1
  • 4.0
4.0 | 1 rating
12 Mar 2007 Image restoration via Topological Derivative Restores an image using the topological derivative (Both algorithms continuous and discrete). Author: Ignacio Larrabide image restoration, algorithms, enhancement, topological derivativ..., im 41 1
  • 3.0
3.0 | 2 ratings
12 Mar 2007 Image Segmentation via topological derivative Segment an image using the topological derivative (continuous and discrete algorithms). Author: Ignacio Larrabide discrete, image, topological derivativ..., image segmentation, morphology, continuum 62 2
  • 4.75
4.8 | 4 ratings
14 Feb 2007 Screenshot Numerical differentiation based on wavelet transforms Numerical differentiation based on wavelet transforms (CWT and DWT) Author: Jianwen Luo time frequency, differentiation, wavelets, wavelet, derivative 155 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 35 1
13 Nov 2006 Global and Non-smooth optimization toolbox Matlab interface to GANSO library Author: Gleb Beliakov optimization, operations research, global optimization, derivative 32 4
  • 3.0
3.0 | 2 ratings
24 Aug 2006 lagrange interpolation and derivative This function performs the Lagrange interpolation of a function and its derivative. Author: Geoff Wawrzyniak interpolation, differential, lagrange, approximation, derivative 53 0
  • 4.0
4.0 | 1 rating
16 Aug 2006 Derivative: Central Difference Approximation Compile this mex file for central difference approximation of the derivative of a function. Author: Geoff Wawrzyniak difference, central, mex, approximation, derivative 30 0
16 Aug 2006 Numerical derivative of analytic function Calculate the numerical derivative of an analytic function with different methods. Author: Daniel Ennis complex derivative, differentiate, numerical derivative, general 166 2
  • 4.0
4.0 | 1 rating
28 Jun 2006 SDGD Edge Detection Filter Second-Derivative-in-the-Gradient-Direction edge detection filter Author: Sergei Koptenko sdgd edge detection f..., filtering 130 3
  • 4.0
4.0 | 1 rating
28 Jun 2006 PLUS Edge Detection Filter PLUS = (Second-Derivative-in-the-Gradient-Direction + Laplacian) edge detection filter Author: Sergei Koptenko plus sdgd edge detect..., filtering 131 0
03 Mar 2006 Screenshot fulldiff.m Symbolically computes full derivative wrt time using chain rule and time variables. Author: Tim Jorris symbolic, full, time, diff, symbolic math, partial 45 4
  • 4.6
4.6 | 5 ratings
18 Jan 2006 DPSK UWB system analysis This m file models a complete Tx-Rx combination using a correlation receiver Author: J C wireless, dpsk uwb fifth deriva... 154 0
18 Jan 2006 Screenshot Steerable Gaussian Filters Evaluates the directional derivative of an image along an arbitrary axis. Author: Douglas Lanman image gradient, steerable filters, orientable, filtering, directional derivativ... 68 6
  • 4.33333
4.3 | 3 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 150 2
09 Sep 2005 Screenshot Gradient using first order derivative of Gaussian Output the gradient image of a grayscale image Author: Guanglei Xiong filtering, gradient gaussian, fod, image proc, first order derivativ... 130 8
  • 4.375
4.4 | 8 ratings
18 Mar 2005 Differential Quadrature Matrix Differential quadrature matrix. Author: Mehmet Murat Altug Bicak differential quadratu..., lobatto derivative, differential equation..., mathematics 30 1
  • 2.5
2.5 | 2 ratings
11 Feb 2005 DIRDIFF Directional derivative Author: Mukhtar Ullah symbolic, directional derivativ..., symbolic math, mathematics, vector 144 2
  • 2.0
2.0 | 2 ratings
31 Jan 2005 UWB BPSK Fifth Order Derivative Models UWB TX and RX using BPSK fifth derivative. Author: J C wireless, uwb bpsk correlation ... 149 0
  • 4.5
4.5 | 2 ratings
26 Mar 2004 Screenshot 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 43 1
  • 5.0
5.0 | 1 rating
23 Dec 2003 Screenshot Pricing Derivatives Ilustrates how to price an instrument portfolio. Author: Kas Sharma analysis, modeling, excel link, derivates, finance, financial derivative ... 23 1
  • 4.5
4.5 | 2 ratings
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