FUNCTION PLOTTER IN ONE VARIABLE by RAHUL RANJAN

differential, integral, and plot of default or user defined mathematical function (calculus, differentiation, integration)

FUN_PLOTTER(varargin)

A function to get the 1st derivatives of a vector with two finite boundaries by Shao Ying Huang

This function gets the 1st derivatives of a vector V with two boundaries (first derivatives, 1st derivatives, differentiation)

get_VDx(V,delta_x,INDstart,INDend)

Adaptive Robust Numerical Differentiation by John D'Errico

Numerical derivative of an analytically supplied function, also gradient, Jacobian & Hessian (hessian, jacobian, gradient)

derivest_demo

multivariable_calc_demo

derivest(fun,x0,varargin)

Savitzky-Golay smooth/differentiation filters and filter application by Diederick

Routine to generate Savitzky-Golay smoothing and differentiation filters and routine to apply these (filtering, differentiation, smoothing)

savitzkyGolay(x,n,dn,x0,W,flag)

y=savitzkyGolayFilt(x,N,DN,F,W,DIM)

diffxy by Darren Rowland

Second-order accurate numerical differentiation (N-dimensional) (derivative, differentiation, gradient)

demo_diffxy

diffxy(x,y,varargin)

Interactive Derivative by Tom O'Haver

Interactive Derivative for time-series signals. (chemistry, physics, signal processing)

DerivativeBackground(n,h)

DerivativeHeight(n,h)

DerivativeNoise(n,h)

Numerical Differentiation by Husam Aldahiyat

Performs single dimensional differentiation numerically. (differentiation, numerical, differences)

[d]=datnum(n,m)

numdiff()

Automatic Differentiation for Matlab by Martin Fink

This package provides automatic first and second derivatives for vector-functions and matrices. (differentiation, automatic differentia..., derivative)

example_AD

myA2D(x, varargin)

myAD(x, varargin)

Numerical differentiation based on wavelet transforms by Jianwen Luo

Numerical differentiation based on wavelet transforms (CWT and DWT) (time frequency, wavelets, wavelet)

dudx=derivative_cwt(u,wt_name,wt_scale,dx,trt_flag)

dudx=derivative_dwt(u,wt_name,wt_level,dx,trt_flag)

spline_scale_function(varargin)

Savitzky-Golay Smoothing and Differentiation Filter by Jianwen Luo

Savitzky-Golay smoothing and differentiation filter. (savitzkygolay, differentiation, smoothing)

fc=sgsdf(x,n,dn,x0,flag)

test_sgsdf.m

2-D Savitzky-Golay Smoothing and Differentiation Filter. by Jianwen Luo

2-D Savitzky-Golay smoothing and differentiation filters, including those for mixed partial ... (filter design, filter analysis, savitzkygolay)

h=sgsdf_2d2(x,y,nx,ny,dx,dy,flag_coupling)

2-D Savitzky-Golay Smoothing and Differentiation Filter by Jianwen Luo

Obtain the coefficients of the 2-D Savitzky-Golay smoothing and differentiation filter, ... (differentiation, leastsquares, savitzkygolay)

h=sgsdf_2d(x,y,nx,ny,d,flag_coupling)

Fast Chebyshev Differentiation by Greg von Winckel

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

Dx=fastdiff(x);

The Even-length Savitzky-Golay Filter by Jianwen Luo

The even-length Savitzky-Golay filter with a Gram polynomial approach. (filter design, filter analysis, savitzkygolay)

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

sgsdf_even_closed_form(n,s)

value=hinstm(i,n,s,t,m)

Adaptive-degree polynomial (Savitzky-Golay) filter for data differentiation by Jianwen Luo

Adaptive-degree polynomial filter (Savitzky-Golay Filter) for data differentiation (1st derivative). (filter design, filter analysis, savitzkygolay)

polynomial_degree=adpf_diff(data_frame)

Pkmi_Calculate.m

Smooth Differentiation by Jianwen Luo

A smoothed differentiation filter (digital differentiator). (filter design, filter analysis, smooth)

h=smooth_diff(n)

smooth_diff_demo.m

2-D Savitzky-Golay Differentiation Filter by Jianwen Luo

2-D Savitzky-Golay Differentiation Filter. (filter design, filter analysis, savitzkygolay filter)

h=sgdf_2d(x,y,nx,ny,flag_coupling)

Savitzky-Golay smoothing and differentiation filter (closed-formed solutions) by Jianwen Luo

explicit (closed-formed) solutions of the Savitzky-Golay smoothing and differentiation filter (filter design, filter analysis, savitzkygolay)

h=sgsdf_explicit(n,s)

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)

Pseudospectral Differentiation on an Arbitrary Grid by Greg von Winckel

Numerically differentiates a function on an arbitrary grid. (differential equation..., pseudospectral, collocation)

D=collocD(x);

Legendre Collocation Differentiation by Greg von Winckel

Numerically differentiates functions sampled at the LGL nodes. (differential equation..., spectral, polynomials)

[x,D]=legDc(N);