image thumbnail

updated 23 days ago

Chebpack by Damian Trif

The MATLAB package Chebpack solves specific problems for differential or integral equations. (mathematics, differential equation..., integral equations)

A=fact(a,m)

B=Ex4_delay_main

Boussinesq.m

image thumbnail

updated 26 days ago

pointonsphere by Leevan Ling

Put N uniformly distributed points on unit sphere. (differential equation..., uniformly, distributed)

pointonsphere(N)

image thumbnail

updated 1 month ago

Chebfun V4 by Chebfun Team

Numerical computation with functions instead of numbers. (numerical analysis, interpolation, approximation)

A greedy algorithm for choosing interpolation points

A keyhole contour integral

A parameter dependent ODE with breakpoints

image thumbnail

updated 1 month ago

SaitisPianoModel.m by Richard Moore

finite difference method model of a stiff and lossy piano string (piano, physical modeling, finite difference)

SaitisPianoModel.m

image thumbnail

updated 1 month ago

Dynamical Systems with Applications using MATLAB 2e by Stephen Lynch

MATLAB, Simulink and MuPad files to accompany the second edition of the book. (binary oscillator com..., fractals, differential equation...)

Program_6c(~)

Programs_18a

Programs_18b

image thumbnail

updated 4 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)

image thumbnail

updated 5 months ago

Phase Plane Analysis by Zoltán Csáti

GUI for visualizing the direction field of two coupled first order nonlinear differential equations (differential equation..., direction field, gui)

PhasePlaneAnalysis.m

image thumbnail

updated 8 months ago

diffe by Marco Borges

euclidian differentiation (diff, differential equation..., gradient)

diffe(x,range)

image thumbnail

updated 12 months ago

2D fast marching algorithm by Juan Cardelino

computation of distance maps using fast marching (differential equation..., fast marching, algorithm)

T=fast_marching(data_points,siz,plot)

test_fm.m

image thumbnail

updated 1 year ago

Collocation-based spectral-element toolbox by Nathaniel Jewell

Functions and example codes for a collocation spectral-element scheme (Chebyshev or Legendre) (numerical, spectral, pseudospectral)

...

...

[x,D]=legDc(N);

image thumbnail

updated almost 2 years ago

3D heattransfer software by morteza ahmadi

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

heat_transfer(varargin)

image thumbnail

updated 2 years ago

ODEvu by Vladimir Bondarenko

Ordinary differential equations viewer (mathematics, gui, differential equation...)

odeModelInfo(varargin)

odevu.m

image thumbnail

updated 2 years ago

FEM toolbox for solid mechanics by Anton Zaicenco

The finite element toolbox for solid mechanics with GUI. (differential equation..., pde, solid mechanics)

BRICK_stress (in_data, resp)

BRICK_stress_main (in_data, SIGsys)

CST_CSQ_stress (in_data,resp)

image thumbnail

updated almost 3 years ago

Shooting method by Martin V.

The implementation of shooting method. It uses the interval bisection and Runge-Kutta method. (mathematics, differential equation..., boundary value proble...)

RungeKutta(a,b,h,con,fun)

fce(x,y)

shooting_method(fun,h,zero,a,b,con,type,init)

image thumbnail

updated 3 years ago

Ecuaciones Diferenciales y de Diferencias by Roberto Herrera

Solución de ecuaciones diferenciales en forma simbólica y de diferencias en gráfica y simbólica (mathematics, fourier, dirac)

ecuadiferedydiferen.m

image thumbnail

updated almost 4 years ago

Manuscript of 'Solving Index-1 DAEs in MATLAB and Simulink' by Jacek Kierzenka

Manuscript of the SIAM Review paper + M-files for all examples. (differential equation..., dae, differentialalgebraic...)

ex1

ex1

ex10

image thumbnail

updated almost 4 years ago

Tutorial on solving DDEs with DDE23 by Jacek Kierzenka

Solving delay differential equations with DDE23. Tutorial + Examples. (differential equation..., delay, mathematics)

exam1

exam1

exam2

image thumbnail

updated almost 4 years ago

Tutorial on solving BVPs with BVP4C by Jacek Kierzenka

Solving boundary value problems with BVP4C. Tutorial + Examples. (differential equation..., boundary value proble..., ordinary differential...)

bratubvp

bratubvp

bratubvp

image thumbnail

updated 4 years ago

Stochastic Timing Machinery, Differential Equations, and Simulation by Ellis Cooper

MATLAB code for interpreting arbitrary stochastic timing machine models (boltzmann distributio..., brownian particle, differential equations)

image thumbnail

updated 4 years ago

SHELFWAVES by George Kaoullas

Computes barotropic, non-divergent, continental shelf wave modes above general shelf profiles. (differential equation..., geophysical fluid dyn..., pseudospectral method...)

[E,Y,y]=shelfwaves_exactbc(N,H,g,w);

[E,Y,y]=shelfwaves_neumannbc(N,H,g,w);

image thumbnail

updated 4 years ago

SBVP 1.0 Package by Ewa Weinmueller

Solves boundary value problems, y'= f(t,y), where f may be singular. (differential equation..., ordinary differential..., boundary value proble...)

[y,tau,ycol,tcol,f,fprime,logstruct]=sbvpcol(bvpfile,tau,...

err=sbvperr(bvpfile,t,y,bvpopt,varargin)

out=demofile1(flag,t,y,ya,yb)

image thumbnail

updated 5 years ago

Toolbox Fast Marching by Gabriel Peyre

A toolbox for the computation of the Fast Marching algorithm in 2D and 3D. (differential equation..., fast marching, level set)

Toolbox Fast Marching - A toolbox for Fast Marching and l...

callback_active_contour(x, options)

check_face_vertex(vertex,face, options)

image thumbnail

updated 5 years ago

GUI tool for ODE solving by Max Logunov

GUI provides friendly interface for solving (noisy) ODE systems. (differential equation..., ode, gui)

Y=tmp_sys(t,X);

ode_solver(varargin)

uigetfile2(varargin)

image thumbnail

updated 5 years ago

2D Fast Poisson Solver by Harper Langston

2D Fast Poisson Solver on a Rectangular Domain (differential equation..., poisson fast solver f..., poisson solution)

Back_Solve(A,b)

Band_Solve(A,b)

Form_Boundary(x,y)

image thumbnail

updated almost 6 years ago

Dasslc Mex file compilation to Matlab 5.3 and 6.5! by Giovani Tonel

I have compiled a Dasslc solver version (MATLAB MEX INTERFACE), in order to use with Matlab (version (differential equation..., dasslc, dae)

[PD,ires]=jacpend(t,y,yp,cj,rpar)

[res,ires]=dydt(t,y,yp,rpar)

[res,ires]=dydt1(t,y,yp)

image thumbnail

updated almost 6 years ago

Differential equation solution by Qadeer Ahmed

A basic example which explains how to solve differential eq in Matlab (differential equation..., ode45, differential equation)

dxdt=ideal(t,x)

dxdt_solve.m

image thumbnail

updated 6 years ago

Simulation of Color Noise by Abhirup Lahiri

The function is used to simulate color noise process using Euler-Maruyama Method (differential equation..., noise, color)

colornoise(a,b,T,N)

image thumbnail

updated 6 years ago

Analog Computer using operational amplifiers by K. SUBRAMANIAN

Applications to set up Analog Computer using operational amplifiers (differential equation..., integrator, adder)

Differential_eqn

Simultaneous

image thumbnail

updated 6 years ago

Pendulum on Circular Track by Dmitry Savransky

Integrate the equations of motion for a pendulum travelling on a circular track and animate the resu (differential equation..., pendulum, integration)

circpendulum(t0,y0,w,r,l);

image thumbnail

updated 6 years ago

SEMLAB by Jean-Paul Ampuero

Spectral Element Method for wave propagation and rupture dynamics. (differential equation..., spectral element meth..., wave equation)

image thumbnail

updated 6 years ago

ChebyshevTools by Michael Watson

Tool box for solving ODE/PDEs using spectral Chebyshev differentiation matrices. (differential equation..., chebyshev, spectral differentiat...)

A=expD(M,ord,mod);

A_res=restrictA(A,m)

B=inv_deriv1(M);

image thumbnail

updated 6 years ago

Stochastic Differential Equation (SDE) Solutions by Abhirup Lahiri

Function used to find solutions of first two moments of LSDE (differential equation..., linear, sde)

LSDE(a,b,sigma,c,t)

image thumbnail

updated 6 years ago

Billiard Simulator by Mason Porter

A GUI to simulate billiard systems on Matlab. (differential equation..., billiards, dynamical systems)

[cx,cy,rx,ry]=ellipseparam(x,y,t0,t4)

ans=ballshit(x1,y1,a1,v1,x2,y2,a2,v2,t0,r)

billiards(varargin)

image thumbnail

updated 6 years ago

IGVF : GUI: Finite Volumen Methods for Conservation Law in 1-D by Luis Miguel Villada Osorio

IGVF is used for solving conservation laws using Central methods (differential equation..., finite volumen method..., central methodos)

D2flujo.m

D2flujo.m

D2flujo.m

image thumbnail

updated almost 7 years ago

Solution of 2nd order differential equation by rayleigh ritz method by Aditya Vaidya

Solution of 2nd order differantial equation by Rayleigh Ritz method (differential equation..., rayleigh ritz, fem)

variational.m

image thumbnail

updated almost 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)

image thumbnail

updated almost 7 years ago

Generalized Laguerre polynomial by Mattthias Trampisch

LaguerreGen calculates the generalized Laguerre polynomial L{n, alpha} for real valued alphas (differential equation..., generalized laguerre ..., roots)

LaguerreGen.m

image thumbnail

updated 7 years ago

Non-homogeneous and linear-differential-equation solutions (update:13-07-07) by Ali OZGUL

homogen and non-homogen solution (differential equation..., linear differential e..., homogeneous)

example

[regsolt]=regularform(solution)

homsolution(func,flag)

image thumbnail

updated 7 years ago

Homogen Differential Equations Solving (update:27-06-07) by Ali OZGUL

homogen differential equation generally solution technique (differential equation..., homogen differential ..., mathematics)

homsolution(func)

regsolution.m

example.m

image thumbnail

updated 7 years ago

First-Order Degree Linear Differential Equations (Integration factor Ig=x^a*y^b) (Update: 23-06-07) by Ali OZGUL

Homogeneous or non-homogeneous linear dif. eq. (differential equation..., differential equation, integration factor)

[sqn]=DIfactor(func,flag)

example.m

image thumbnail

updated 7 years ago

Jean Le Rand D'Alambert Reduction Method (update:22-06-07) by Ali OZGUL

Reduction method (differential equation..., reduction method, differential equation)

[sqn]=Dalambert(func,squ,flag)

example.m

image thumbnail

updated 7 years ago

system of equations solver by Chun Zheng

Models system of DEs(with 4th order Runga-kutta) and system of functions (differential equation..., runga, kutta)

approxPts=approxRK4(strFtn,h,ICXY,numGeneration)

listBoxGui(varargin)

nStr=modHorTxtEq(oldFtnStr,newFtnStr,caseNum)

image thumbnail

updated 7 years ago

Finite difference weights by Toby Driscoll

Finds finite difference (or interpolation) weights for an arbitrary set of nodes in one dimension. (differential equation..., finite, difference)

fdweights(xi,x,m)

image thumbnail

updated 7 years ago

Absolute Stability of an Integration Method by Housam Binous

Shows when an integration method is absolutely stable (differential equation..., cranknicholson, explicit euler)

fig4_11.m

image thumbnail

updated 7 years ago

MATLAB in Dynamics by Jordan Tonchev Jordanov

Companion Software for "MATLAB with Applications in Engineering Research" (matlab in dynamics, dynamics, differential equation...)

LAGRE2.m

LAGREN.m

dinp

image thumbnail

updated 7 years ago

2D adaptive residual subsampling for Radial Basis Functions by Alfa Heryudono

This program solves initial-boundary value problems particularly 2D Burgers' equation adaptively (differential equation..., radial basis function..., rbf)

Jburgers(t,u,epsilon,Dx,Dy,Dxx,Dyy)

burgers(t,u,epsilon,Dx,Dy,Dxx,Dyy)

coarserefine2d(f,intrv,theta,n,topc)

image thumbnail

updated almost 8 years ago

Adaptive residual subsampling for Radial Basis Functions by Alfa Heryudono

This simple codes solve initial-boundary value problems particularly Burgers' equation adaptively (differential equation..., radial basis function..., rbfs)

Jburgers(t,u,epsilon,D1,D2)

burgers(t,u,epsilon,D1,D2)

burgersplot(t,y,flag,varargin,x,han)

image thumbnail

updated almost 8 years ago

stab_GUI by giancarlo zaccone

A simple GUI to visualize stabilization method to resolve EDP diffusion transport problem (differential equation..., edp, stabilization)

LagrPoli(xnodi,x)

[x,w]=zplege(n)

add_region(dmesh,region)

image thumbnail

updated almost 8 years ago

ROCK4 by Gerd Steinebach

explicit solver for stiff equations (differential equation..., ode, solver)

rock4(fcn,tspan,y0,options)

image thumbnail

updated almost 8 years ago

RODASP by Gerd Steinebach

RODASP is a fourth order ROW-method for solving ODEs y'=f(t,y) and Index-1 DAE problems M y' = f(t,y (differential equation..., ode, dae)

rodasp(fcn,tspan,y0,options,solver)

Contact us