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updated 4 days ago

The damped driven pendulum by Jeffrey Chasnov

A simulation of the damped driven pendulum. (nonlinear, pendulum, chaos)

pendulum(varargin)

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updated 11 days ago

Newton's method done right by Andrew Knyazev

Newton's method for solving systems of nonlinear equations, including nonsquare and inconsistent (mathematics, physics, modeling)

Newton(X,F,X0,varargin)

NewtonDemoRunMe.m

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updated 20 days ago

Lyapunov Nonlinear Control GUI by Andy Zelenak

This GUI can simulate and regulate a nonlinear dynamic system. (nonlinear, dynamic, control)

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updated 21 days ago

MS-TVTP with Gibbs Sample by ramzi

ramzi (view profile)

a markov switching with time varying parameter with Gibbs sample code (analysis, optimization, nonlinear)

MS-TVTP code.m

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updated 1 month ago

Batched partitioned nonlinear least squares by John D'Errico

John D'Errico (view profile)

Speed up when you have a very large number of nonlinear least squares problems, but with one model (optimization, regression, nonlinear)

Demo file for batchpleas.m

batchpleas(Xdata,Ydata,batchindex,funlist,INLPstart,batch...

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updated 1 month ago

A set of Entropy measures for temporal series (1D signals) by Jesús Monge-Álvarez

Some of the major entropy measures for non linear analisys of signals. (signal processing, chaos theory, entropy measures)

ApEn.m

CondEn.m

CorrecCondEn.m

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updated 2 months ago

Induction Motor Controller Using nonlinear controller Based On Lyaponov method by Mohammad AWawdeh

Induction Motor Controller Using Based On Lyaponov nonlinear controller (simulink, motor, induction)

Based_on_lyaponov_controller.slx

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updated 2 months ago

Hammerstein Toolbox by M. Rébillat / R. Hennequin / A. Novak

Rapid estimation of the structural elements composing a cascade of Hammerstein models. (nonlinear, exponential sine swee..., cascade of hammerstei...)

compute_inverse_filter.m

convq.m

delayNC.m

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updated 2 months ago

DSP Companion, Student Version, 3.0 by Robert Schilling

DSP Companion is instructional software designed to accompany a textbook. (signal processing, dsp, audio processing)

f_wait.m

MakeContents(aString, flags)

case1_1

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updated 3 months ago

NLVellipticintegration() by soumya Ranjan

comparison of time period for NLV of a hardspring (mathematics, nonlinear, demo)

NLVellipticintegration()

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updated 3 months ago

Multirate PLL Model by steed huang

This Simulink mdl-file is to simulate the spectrum for multirate structured Phase Locked Loop. (mathematics, signal processing, simulation)

MultiratePLLv1.mdl

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updated 3 months ago

Secant Method by Sleeba Paul

A Nonlinear Optimization problem solved using Secant method (nonlinear, secant, ssrao)

secant.m

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updated 3 months ago

CUBIC INTERPOLATION METHOD by Sleeba Paul

A non linear optimization using the Cubic Interpolation Method (nonlinear, cubic, interpolation)

cubic.m

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updated 4 months ago

Linear Programming with Nonlinear Programming Solvers by John Hedengren

Similar interface to linprog but solution with nonlinear programming solvers such as IPOPT (nonlinear, linear programming, ipopt)

apm(server,app,aline)

apm_app(server,name)

apm_details(server,app,x,lam)

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updated 4 months ago

FIBONACCI METHOD by Sleeba Paul

Problem from Engineering Optimization By S.S. Rao (nonlinear, optimization, fibonacci)

fibonacci_search.m

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updated 7 months ago

The Lorenz Attractor Simulink Model by Lazaros Moysis

The Lorenz System designed in Simulink. Two models included and a file to get the rottating 3d plot. (lorenz, attractor, simulink)

nonlinear_model_rotatting_plot.m

nonlinear_model_plot.slx

nonlinear_model.slx

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updated 7 months ago

Rossler Attractor Simulink Model by Lazaros Moysis

A Simulink model for the Rossier Attractor nonlinear system. Accompanied by a 3d rottating plot. (nonlinear, chaos, chaotic solutions)

rossler_attractor_rottating_plot.m

Rossler_attractor.slx

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updated 7 months ago

Single Harmonic Nonlinear Vibration Problem Solver by Barış Deniz SAĞLAM

This GUI solves MDOF nonlinear vibration problems using single harmonic representation. (nonlinear, vibration, solver)

DELTA=df_bid(c1,c2,w,X,nex)

DELTA=df_bis(k1,k2,X,nex)

DELTA=df_cubics(kc,X,nex)

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updated 7 months ago

Roots for non-linear highly-transcendental equation. by sai kumar

it solves almost any given linear, non-linear, non-linear & highly-transcendental equations. (matlab, mathematics, function)

[F] =FCT(TOL)

code(a,b)

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updated 8 months ago

Support Vector Regression by Ronnie Clark

A MATLAB implementation of Support Vector Regression (SVR). (regression, nonlinear, machine learning)

svr_trainer(xdata,ydata, c, epsilon, kernel, varargin)

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updated 11 months ago

Genetic Programming MATLAB Toolbox by Janos Abonyi

Janos Abonyi (view profile)

This method results in more robust and interpretable models than the classical GP method (nonlinear, dynamical system, datadriven)

gpn_evaluate(popuin,ixs,X,Y,Q,optv);

gpols_init(popusize,maxtreedepth,symbols);

gpols_lsq(fss,X,Y);

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updated 12 months ago

Multivariate Hoeffding's Phi-Squared by Ivan Medovikov

Nonparametric measure of multivariate association. (nonlinear, copulas, nonparametric)

multphi2.m

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updated 1 year ago

Rabinovich Fabrikant Equations Simulink Model by Lazaros Moysis

The Rabinovich Fabrikant nonlinear Equations in Simulink (rabinovich, fabrikant, nonlinear)

Rabinovich_Fabrikant.slx

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updated 1 year ago

The Henon Map by Lazaros Moysis

The Henon map discrete time dynamical system. (henon map, chaotic behavior, nonlinear)

Henon_map.m

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updated 1 year ago

Van der Pol Oscillator Simulink Model by Lazaros Moysis

The Van der Pol Oscillator nonlinear model in Simulink. (van der pol, oscillator, simulink)

van_der_pol_osc.slx

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updated 1 year ago

Bilateral Filter by Suraj Kamya

Suraj Kamya (view profile)

Edge-preserving and noise-reducing smoothing filter for images. (bilateral filter, nonlinear, edge preserving)

[out]=IEF(orgimg,nimg,dimg)

[out]=PSN(orgimg,mimg)

[out]=bif(im,sigd,sigr,n)

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updated 1 year ago

Extended Kalman Filter by Sam Nazari

An EKF for an autonomous vehicle implemented in Simulink (kalman filter, simulink, estimation)

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updated 1 year ago

EzyFit 2.42 by Frederic Moisy

Frederic Moisy (view profile)

A free curve fitting toolbox for Matlab (approximation, interpolation, curve)

Discover Ezyfit: A free curve fitting toolbox for Matlab

about_ef (Ezyfit Toolbox)

axis0 (Ezyfit Toolbox)

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updated 1 year ago

Positive-Definite Matrix by Muhammad Asim Mubeen

This function returns a positive-definite symmetric matrix. (matrix, matrices, nonlinear)

Spd_Mat(A)

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updated 1 year ago

Motor by Naveed

Naveed (view profile)

Motor using PID (nonlinear)

motor.mdl

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updated 1 year ago

Newton-Raphson solver by Mark Mikofski

Mark Mikofski (view profile)

Yet another solver that uses the backslash function to solve a set of non-linear equations. (mathematics, optimization, data exploration)

newtonraphson_example

newtonraphson(fun, x0, options)

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updated 1 year ago

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

Cheuk (view profile)

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

General Single Step Single Solve integration algorithm by George Papazafeiropoulos

Direct linear or nonlinear explicit or implicit time integration of structural dynamics problems (central difference, average constant acce..., linear acceleration)

Bilinear_Elastic_SDOF.m

GSSSS.m

Linear_Elastic_Coulomb_SDOF.m

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updated 1 year ago

Basins of attraction by Siva Srinivas Kolukula

To plot a basin of attraction for given governing equations: x^3-y = 0 ; y^3-x = 0 (basins, attraction, basins of attraction)

NewtonRaphson(X)

BasinsofAttraction.m

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updated 2 years ago

Dynamical Systems with Applications using MATLAB by Stephen Lynch

Stephen Lynch (view profile)

Companion Software. (mathematics, discrete, fractals)

Program_5c(~)

Programs_17a

Programs_17b

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updated 2 years ago

Multiple curve fitting with common parameters using NLINFIT by Chen

Chen (view profile)

Wrapper for NLINFIT which allows simultaneous fitting for multiple data sets with shared parameters. (fitting, multiple, nonlinear)

nlinmultifit(x_cell, y_cell, mdl_cell, beta0, options)

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updated 2 years ago

CRCBode() - Contoured Robust Controller Bode Plot Function by JD Taylor

Generate controller Bode plots with contours showing robust performance and stability metric. (robust control, control design, loop shaping)

CRCBode(wi,mPi,aPi,mCi,aCi,Wui,Wsi,mLim,aLim,cLim,control...

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updated 2 years ago

New ODE and DAE Solver by John Hedengren

Differential and algebraic equation solver for high-index, stiff, and mixed-integer systems. (optimization, simulation, demo)

apm(server,app,aline)

apm_get(server,app,filename)

apm_info(server,app,class,name)

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updated 2 years ago

Surrogate Model Optimization Toolbox by Julie

Julie (view profile)

Surrogate model optimization algorithm for computationally expensive global optimization problems (global optimization, surrogate model, derivativefree)

BumpinessMinSampling(Data, maxeval, Surrogate, lambda, ga...

CandValue=PredictFunctionValues(Data,Surrogate,CandPoint,...

CandidatePointSampling(Data,maxeval,Surrogate,lambda,gamm...

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updated 2 years ago

Correlation dimension by M

M (view profile)

For lorenz attractor (nonlinear)

ratio=d2lor(iter)

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updated 2 years ago

NIST Statistical Reference Datasets for Nonlinear Regression by Adam Gripton

MAT file of all the benchmark Nonlinear Regression problems from the NIST StRD website (nonlinear, regression, statistics)

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updated 3 years ago

Lorentzian fit by Jered Wells

Jered Wells (view profile)

LORENTZFIT fits a single- or multi-parameter Lorentzian function to data (lorentz, lorentzian, fit)

lorentzfit(x,y,p0,bounds,nparams)

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updated 3 years ago

Model Predictive Control by John Hedengren

Model Predictive Control with discrete, continuous, linear, or nonlinear models. (model predictive cont..., mpc, nonlinear)

apm(server,app,aline)

apm_info(server,app,class,name)

apm_load(server,app,filename)

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updated 3 years ago

Detrend Non-linear Data by Atul Ingle

Removes nonlinear trend from data (detrend, nonlinear, polynomial fit)

detrendnonlin(x, varargin)

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updated 3 years ago

Kernel k-means by Mo Chen

Mo Chen (view profile)

kernel k-means algorithm (kernel, kmeans, clustering)

knkmeans(K,init)

spread(X, label)

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updated 3 years ago

Furuta (rotary) Pendulum by Alan Jennings

Equations of motion for a pendulum mounted on rotating base are compared to SimMechanics. (pendulum, simulation, modeling)

The equations of motion for a rotary pendulum (furuta pen...

RotPen_Test_Submitt

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updated 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 3 years ago

Newton-Raphson Iterative Solver for Systems of Equations by John Fuller

John Fuller (view profile)

An N-R iterative root-finder for systems of N equations and N unknowns. (newton, raphson, iterative)

nrsolve(F,dFdx,xi,tol,max_iter,varargin)

testnrsolve.m

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updated 3 years ago

Fractional Order Chaotic Systems by Ivo Petras

Ivo Petras (view profile)

Numerical solutions of the fractional order chaotic systems. (chaos, fractional calculus, numerical solution)

[T, Y]=FO3CNN(parameters, orders, TSim, Y0)

[T, Y]=FOArneodo(parameters, orders, TSim, Y0)

[T, Y]=FOChen(parameters, orders, TSim, Y0)

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updated 4 years ago

Eigen Function of the Laplacian by Ambarish Jash

Ambarish Jash (view profile)

The main file Diffusion_Family.m gives a low dimensional embedding in 3 different ways. (signal processing, data exploration, modeling)

Diffusion_Family(data,ScaleSigma,knn,flag)

L2_distance(a,b,df)

adjacency(DATA, TYPE, PARAM);

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