Mat file utilities by Jonathan Karr

Utility functions for differencing mat files and structs. (mat file, struct, diff)

edu.stanford.covert.util.MatFileUtil

edu.stanford.covert.util.StructUtil

dfdxc(x,f) computes the first two derivatives of f(x) by Brenden Epps

dfdxc(x,f) computes derivatives df/dx and d^2f/dx^2 using a modified central difference formula. (derivative, slope, curvature)

dfdxc(x,f)

N-Point Central Differencing by James

Computes an n-point central difference of function f with spacing h. (finite difference, central difference, differencing)

cent_diff_n(f,h,n)

Convert inline to symbolic by Héctor Corte

Convert an inline function into symbolic so you can use symbolic operators like diff() or jacobian() (diff, inline, simulation)

inline2sym.m

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)

Renko with variable box size for GBPJPY or GJ (Pound Yen) by Bwana

plot or create the matrix which is the Renko Chart of GBPJPY currency pair. (neural, network, renko)

A1_renko_GJ.m

STRUCTCOMPVIS by Scott Hirsch

Use visual differencing tool to compare two structures. (structures, cell arrays, structure)

structcompvis(s1,s2)

der.m v1.0 (Nov, 2009) by Carlos Adrian Vargas Aguilera

Estimates first derivative of an array by using POLYFIT locally on each point ignoring NaNs! (diff, gradient, derivative)

der(X,DT,W,DEG,PAD,DIM)

nanderivative.m v2.1 (Jul 2009) by Carlos Adrian Vargas Aguilera

N-order derivative of vector data by interpolating nearby points, ignoring NaNs. (derivative, nan, diff)

nanderivative(Y,X,N,K,MET)

ObjDiff - Generic object comparator by Yair Altman

Compares objects of any type inc. Java, Matlab, HG handles, structs, cells & arrays (diff, struct, object)

objdiff(objectA,objectB,varargin)

fulldiff.m by Tim Jorris

Symbolically computes full derivative wrt time using chain rule and time variables. (symbolic math, full, derivative)

dout=fulldiff(varargin)