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updated 16 days ago

Adaptive Robust Numerical Differentiation by John D'Errico

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

derivest_demo

multivariable_calc_demo

derivest(fun,x0,varargin)

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updated 1 month ago

Compressed Differentiation by Oren

The package differentiates symbolic multivariate functions fast and efficiently (jacobian, mixed derivatives, symmetric)

[derivs,uncomp]=compderivs(f,x,order)

test_compderivs.m

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updated 1 month ago

Symbolic Derivatives for Econometric Tests by Alan Weiss

How to calculate derivatives required by Econometric Toolbox tests via Symbolic Math Toolbox (symbolic, econometrics, jacobian)

symbolic_econometric_tests.m

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updated 11 months ago

Jacobian-Free Newton-Krylov (JFNK) method by Cheuk

Function uses JFNK to solve a system of non-linear equations (jacobianfree, newtonkrylov, jacobian)

JFNK(F, x0, epsilon, max_iter)

JV_APPROX(v, F, x)

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updated 1 year ago

Merton Structural Credit Model (Matrixwise Solver) by Mark Whirdy

Matrixwise Calculation Firm Asset Value, Volatility, Debt Value, Spread, Default Prob, Exp-Recovery (credit, merton, structural credit mod...)

calcMertonModel(E_t,sig_E,K,t,T,r)

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updated 4 years ago

Examples of Basic Iterative Algorithms for Inverse Kinematics. by Ugo Pattacini

A couple of examples showing the pseudo-inverse and JAcobian transpose inverting the kinematics. (robotics, jacobian, pseudoinverse)

threeLinks_r

twoLinks_r

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updated 4 years ago

newt by Gabriel Frangakis

This function quickly preforms Newton's method on a vector function of multiple variables. (mathematics, newton, method)

newt(er,varargin)

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updated almost 5 years ago

Modulation tutorial by Ged Ridgway

Simple illustration of the Jacobian determinant as a geometric scaling factor (neuroimaging, morphometry, vbm)

Simple illustration of the Jacobian determinant as a geom...

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updated 5 years ago

Task Space control of RPRP manipulator by Sumit Tripathi

Forward and inverse kinematics of RPRP manipulator with task space control to trace trajectories. (jacobian, task space control, fmincon)

RPRP_sgraph(t,y,par)

[]=forward_kin()

[flag_set]=set_dimensions()

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updated 5 years ago

TWO LINK MANIPULATOR by John Caipa Roldan

nonlinear model constructed for use with the s-function block, in addition to file linearization (control, jacobian, solve)

csfuncTWOLINKMAN(t,x,u,flag,Xi)

LinealizacionSistemaTWOLINKMANIPULATOR.m

ModeloNoLinealTWOLINKMAN

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updated 5 years ago

Furuta pendulum by John Caipa Roldan

Linearization of the Furuta pendulum by john caipa (futura pendulum, solve, jacobian)

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updated almost 7 years ago

Complex step Jacobian by Yi Cao

Calculate Jacobian using complex step differentiation (jacobian, complex step differen..., mathematics)

[A,z]=jacobiancsd(fun,x)

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updated 14 years ago

vdpdemo by Per Grove Thomsen

GUI-based demo on the behaviour of the VanDerPol equation. (differential equation..., vanderpol, demo)

vdpeig(action)

vdpjac(x,y,mu)

vdpol(t,y,mu)

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