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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 9 months ago

ODE Solver through Galerkin Method by Marcos Cesar Ruggeri

This program solves Ordinary Differential Equations by using the Galerkin method. (differential equation..., ode, galerkin)

[approx,exac,err]=odegalerkin(poly,bc,n)

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updated 10 months ago

1D Finite Element Method (FEM) Example by Cheuk

A 1D finite element method (FEM) example is provided to teach the basics of using FEM to solve PDEs. (finite, element, method)

a_def(node)

act_quad(dof_pos, ref_quad_pos, num_edges)

compute_RHS_global(RHS_local, loc_glob, num_edges)

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updated almost 2 years ago

Dynamical Systems with Applications using MATLAB by Stephen Lynch

Companion Software. (mathematics, discrete, fractals)

Program_5c(~)

Programs_17a

Programs_17b

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updated 2 years ago

3D heattransfer software by morteza ahmadi

3D heattransfer software (differential equation..., heat, heat transfer)

heat_transfer(varargin)

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updated 2 years ago

Matrix approach to distributed-order ODEs and PDEs by Igor Podlubny

Basic functions for using matrix approach for distributed-order differential equations, and demos. (differential, discretization, distributedorder syst...)

doban(phi, alphaFromTo, alphaStep, tN, tStep)

dofan(phi, alphaFromTo, alphaStep, tN, tStep)

doranort(phi, alphaFromTo, alphaStep, tN, tStep)

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updated almost 3 years ago

Optimization, Nonlinear Control, and Estimation Toolbox by John Hedengren

APM MATLAB toolbox for nonlinear control and estimation of DAE models with IPOPT (nonlinear, simulation, control)

apm(server,app,aline)

apm_info(server,app,class,name)

apm_load(server,app,filename)

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updated almost 4 years ago

Simulink solution of Differential Equation by satendra kumar

Here is the illustration to solve the differential equation. (simulink, differential equation, differential)

differentialequi

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updated 4 years ago

Solution of Differential Equations with MATLAB & Simulink: Lorenz Attractor Case Study by Simulink Dude

Simulink design pattern for solving differential equations, visualize results in MATLAB graphics (differential, equation, lorenz)

lorenz_graphs(block)

lorenz_graphs_level_1(t,x,u,flag, x_initial)

lorenz_attractor

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updated 4 years ago

secant method in nonlinear ode by Kalyan Bhattacharjee

this will find the solution of U''=k*U*U' by using taylor series 3rd order and secant method (mathematics, simulation, optimization)

math1.m

secant.m

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updated 5 years ago

Differential Encoding/Decoding by Dr. Murtaza Khan

Basic Differential Encoding/Decoding of input vector of numeric values (coding theory, information theory, differential)

vo=diffdecodevec(vi)

vo=diffencodevec(vi)

diffencodevecTest.m

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updated 5 years ago

Matrix approach to discretization of ODEs and PDEs of arbitrary real order by Igor Podlubny

Functions illustrating matrix approach to discretization of ODEs / PDEs with fractional derivatives. (mathematics, fractional differenti..., differential)

Matrix approach to discretization of ODEs and PDEs of arb...

bagleytorvikequation(A,B,C)

ban(alpha,N,h)

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updated almost 6 years ago

Regression Analysis by Gerhard Nieuwenhuiys

Do regression analysis (curve fitting) on 2D, 3D graphs and Differential equations. (differential, equation, linear)

dregres(fstring,v,xexp,yexp,nstep,zfix);

mregres(fstring,v,xexp,yexp,zexp);

regres(fstring,v,xexp,yexp);

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updated 7 years ago

LiScM2.0 by Damian Trif

MATLAB package for u_t+Lu=N(u,\nabla u) (differential equation..., lyapunovschmidt, eigenfunction expansi...)

T=t(x)

[A,B]=matr(m,a,b,c)

[C,X,Y,T]=coef(f,n,ep)

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updated 8 years ago

lagrange interpolation and derivative by Geoff Wawrzyniak

This function performs the Lagrange interpolation of a function and its derivative. (approximation, interpolation, lagrange)

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updated almost 9 years ago

Fast_DiffQuad by Mehmet Murat Altug Bicak

Faster Differential Quadrature Matrix (differential equation..., differential, quadrature)

D=Fast_DiffQuad(N);

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updated 9 years ago

Frenet basis for 3D torsion-curvature based curves by Paolo Panarese

Given torsion and curvature functions, it computes the curve by solving Frenet differential system. (differential equation..., frenet, basis)

frenet(curvature,torsion, T0,N0, tspan, handles)

frenetgui(varargin)

visualizefrenet(j,x,Tg,Nm,Bn,t, factor, handles)

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updated 10 years ago

Finite Difference Weights by Greg von Winckel

Computes the finite difference for a uniform grid. (differential equation..., finite, difference)

W=ufdwt(h,pts,order)

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updated 10 years ago

LegendrePoly by David Terr

This program returns the coefficients of the Legendre polynomial P_n, given n. (differential equation..., legendre polynomial, polynomial)

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updated 10 years ago

Alternative Mathematics using MATLAB 7 by Gunnar Backstrom

Self-instructive text on undergraduate algebra, statistics, differential and integral calculus. (physics, r14, algebra)

F=expexp(V);

F=expexpn(V);

F=fcosl(T, n, L);

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updated 10 years ago

MDAT by Nicholas Knowlton

Microarray analysis. (biotech, pharmaceutical, genes)

[logtransc,parm]=chipnorm(data,pcl)

chipdiff(cont,exp)

example.m

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updated 10 years ago

MNEMS by Marco Zorzi

A nonlinear equations solver for MATLAB. (differential equation..., nonlinear, newton)

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updated 11 years ago

ode87 Integrator by Vasiliy Govorukhin

This program integrates ode system with high accuracy. (differential equation..., runge, kutta)

ode87(odefun,tspan,x0,options,varargin)

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updated 12 years ago

Gaussian Hypergeometric Function by Diego Garcia

Computes gaussian hypergeometric function using a series expansion. (differential equation..., gaussian hypergeometr..., hypergeometric)

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