Search results: tag:"nonlinear" - MATLAB Answers

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Error in lsqcurvefit - index in position 1 is invalid.

Asked by ry118 on 4 Feb 2024

Latest activity Commented on by Walter Roberson on 4 Feb 2024

MATLAB Language Fundamentals Matrices and Arrays Matrix Indexing

2

answers

0 votes
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Reduce the objective function value in fmicon

Asked by Akhil on 2 Feb 2024

Latest activity Edited by Matt J on 2 Feb 2024

Mathematics and Optimization Optimization Toolbox Get Started with Optimization Toolbox

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answer

0 votes
4 views

Constraint to state derivatives with NLMPC

Asked by Saskia Putri on 30 Jan 2024

Latest activity Commented on by Saskia Putri on 2 Feb 2024

Accepted Answer by Emmanouil Tzorakoleftherakis

Control Systems Model Predictive Control Toolbox Linear Plant Specification

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Looking for an state controller for NON-linear systems

Asked by Martin Mittrenga on 25 Jan 2024

Latest activity Commented on by Sam Chak on 1 Feb 2024

Accepted Answer by Sam Chak

Simulink Applications General Applications

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Help with non-linear block spring mass system

Asked by Cristian Rohozneanu on 1 Feb 2024

Latest activity Answered by Fangjun Jiang on 1 Feb 2024

Simulink Applications General Applications

2

answers

0 votes
5 views

Nonlinear impact model of a tennis racket and a ball

Asked by Farnam on 27 Jan 2024

Latest activity Commented on by Benjamin Thompson on 28 Jan 2024

Sciences Physics Quantum Mechanics

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5 views

Forward euler calculation of linearized non-linear induction motor model

Asked by Henning Reetz on 8 Jul 2022

Latest activity Commented on by Siddharth Jawahar on 25 Jan 2024

Control Systems Control System Toolbox Linear Analysis

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4 views

How I can to resolve the code below?

Asked by Ky on 24 Jan 2024

Latest activity Edited by Matt J on 24 Jan 2024

MATLAB Programming

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I am using the fitnlm function, but for some data I am receiving this error - Error using nlinfit>checkFunVals The function you provided as the MODELFUN input has returned Inf

Asked by Joshua on 17 Jan 2024

Latest activity Commented on by Torsten on 18 Jan 2024

AI, Data Science, and Statistics Curve Fitting Toolbox Get Started with Curve Fitting Toolbox

2

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23 views

Sliding Mode Controller for the Double Integrator

Asked by DAYAL ND on 4 Jun 2012

Latest activity Answered by Sam Chak on 17 Jan 2024

Control Systems Simulink Control Design Control System Design and Tuning Classical Control Design

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how can i linearize a simulink non linear system in one or more equilbria?

Asked by Gabriele Tedeschi on 3 May 2022

Latest activity Answered by Ayush Modi on 17 Jan 2024

Control Systems Simulink Control Design Linearization

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1 vote
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Is there a way to use an optimvar to choose a mathematical function?

Asked by Kendall Knight on 20 Mar 2019

Latest activity Answered by Ayush Modi on 14 Jan 2024

Mathematics and Optimization Optimization Toolbox Solver-Based Optimization Problem Setup Choose a Solver

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3rd order non-linear differential equation (shooting method)

Asked by Daniel Krivacic on 20 Nov 2019

Latest activity Answered by hashem on 11 Jan 2024

Sciences Physics

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How can I resolve the "Unable to solve collocation" error in MATLAB when trying to solve a nonlinear differential equation with nonlinear boundary conditions?

Asked by MOSLI KARIM on 24 Dec 2023

Latest activity Commented on by Torsten on 3 Jan 2024

MATLAB Mathematics Numerical Integration and Differential Equations Ordinary Differential Equations

2

answers

0 votes
7 views

Display answer in degree

Asked by Ali Ahmed on 29 Dec 2023

Latest activity Commented on by Dyuman Joshi on 30 Dec 2023

Mathematics and Optimization Optimization Toolbox Systems of Nonlinear Equations

2

answers

0 votes
2 views

Why does fmincon give me wrong results?

Asked by Janek Bingemer on 29 Dec 2023

Latest activity Commented on by Janek Bingemer on 29 Dec 2023

Accepted Answer by Matt J

Mathematics and Optimization Optimization Toolbox Optimization Results Solver Outputs and Iterative Display

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0 votes
7 views

During flag=1 call must be a real vector of length 10 error

Asked by Maaz Madha on 23 Apr 2022

Latest activity Answered by Chetan on 28 Dec 2023

Simulink Applications General Applications

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answer

1 vote
4 views

NonLinear Constraint not verified, although fmincon says it is

Asked by Karen Bozanian on 22 Dec 2023

Latest activity Edited by Karen Bozanian on 27 Dec 2023

Accepted Answer by Matt J

Mathematics and Optimization Optimization Toolbox Optimization Results Solver Outputs and Iterative Display

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Solving Non-linear Equations in Simulink Code Generation (looking for syms replacement)

Asked by Michelle Müller on 25 Jan 2022

Latest activity Answered by Githin George on 27 Dec 2023

Simulink

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How can we solve time dependent non linear equations?

Asked by Shadab Ali on 12 Oct 2023

Latest activity Commented on by Shadab Ali on 19 Dec 2023

Mathematics and Optimization Optimization Toolbox Optimization Results Solver Outputs and Iterative Display

1

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0 votes
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Fitting a nonlinear model in Matlab

Asked by Sunny on 11 Dec 2023

Latest activity Commented on by Sam Chak on 11 Dec 2023

Accepted Answer by Walter Roberson

AI, Data Science, and Statistics Curve Fitting Toolbox Interpolation

2

answers

0 votes
8 views

how to incorporate boundary conditions as constraints in fmincon optimization?

Asked by Saurav Parmar on 7 Dec 2023

Latest activity Edited by Torsten on 7 Dec 2023

Accepted Answer by Torsten

Mathematics and Optimization Optimization Toolbox Nonlinear Optimization

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15 views

Does anyone have matlab code for 1D discrete nonlinear schrodinger equation like this?

Asked by ang yang on 16 Jan 2022

Latest activity Answered by Kartik Saxena on 6 Dec 2023

Sciences Physics Quantum Mechanics

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0 votes
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how to make flux based model + inverter

Asked by changjoo lee on 22 Jun 2021

Latest activity Answered by Sabin on 6 Dec 2023

Physical Modeling Simscape Electrical Electrical Block Libraries Electromechanical Permanent Magnet

1

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0 votes
2 views

Facing problem in solving simultaneous nonlinear equation with 3 unknowns

Asked by Chu Yan on 4 Dec 2023

Latest activity Commented on by Chu Yan on 4 Dec 2023

Mathematics and Optimization Symbolic Math Toolbox Mathematics Numbers and Precision

1

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0 votes
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Why is my gamultobj algorithm not working?

Asked by Paul Lindner on 1 Dec 2023

Latest activity Commented on by Walter Roberson on 4 Dec 2023

Accepted Answer by Matt J

Mathematics and Optimization Optimization Toolbox Optimization Results Solver Outputs and Iterative Display

2

answers

0 votes
2 views

symbolic solving system of non-linear equations

Asked by Konrad on 29 Nov 2023

Latest activity Commented on by Sam Chak on 30 Nov 2023

Engineering Electrical and Computer Engineering Robotics

2

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Solving 4 nonlinear equation for 4 unknowns numerical - doesn't find an answer [0×1 sym]

Asked by Faraz j on 29 Nov 2023

Latest activity Commented on by Faraz j on 30 Nov 2023

Accepted Answer by Sam Chak

MATLAB Language Fundamentals Matrices and Arrays

1

answer

1 vote
24 views

i need pumped storage hydro power model or hydro model suitable to connect with wind farm ( power_wind_ig)

Asked by rana fathy on 5 Nov 2015

Latest activity Answered by Sondes Skander on 24 Nov 2023

Simulink Modeling

1

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0 votes
45 views

Linear fit in loglog plot

Asked by Mathan on 22 Nov 2023

Latest activity Commented on by Mathieu NOE on 23 Nov 2023

Accepted Answer by Mathieu NOE

AI, Data Science, and Statistics Curve Fitting Toolbox Get Started with Curve Fitting Toolbox

3

answers

1 vote
1.3k views

How do I create a logarithmic scale colormap or colorbar?

Asked by MathWorks Support Team on 6 Jul 2012

Latest activity Edited by Rena Berman on 22 Nov 2023

Accepted Answer by MathWorks Support Team

MATLAB Graphics 2-D and 3-D Plots

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0 votes
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Newton method , student need help.

Asked by Thierry Gelinas on 10 Apr 2015

Latest activity Commented on by Torsten on 22 Nov 2023

MATLAB Mathematics Numerical Integration and Differential Equations Ordinary Differential Equations

2

answers

0 votes
18 views

exponential regression functions with error in input values

Asked by Benjamin Wilson on 22 Nov 2023

Latest activity Answered by Star Strider on 22 Nov 2023

Accepted Answer by Fabio Freschi

AI, Data Science, and Statistics Curve Fitting Toolbox Linear and Nonlinear Regression

1

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0 votes
3 views

Solving 4 nonlinear equations with 1 unknown

Asked by Veronica Gabriel on 4 May 2023

Latest activity Answered by Yash on 17 Nov 2023

MATLAB Language Fundamentals Matrices and Arrays Creating and Concatenating Matrices

1

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0 votes
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Fitting two curves with shared parameters to two datasets

Asked by Moosejr on 13 Nov 2023

Latest activity Edited by Torsten on 13 Nov 2023

Accepted Answer by Torsten

AI, Data Science, and Statistics Curve Fitting Toolbox Get Started with Curve Fitting Toolbox

1

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0 votes
2 views

Solve system of equations when plotting

Asked by Dhruv Srinivasan on 13 Oct 2023

Latest activity Commented on by Dhruv Srinivasan on 10 Nov 2023

MATLAB

1

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17 views

simulation of electric arc furnace as a nonlinear three phase load

Asked by Abiodun Odumosu on 6 Nov 2023

Latest activity Commented on by Abiodun Odumosu on 7 Nov 2023

MATLAB

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nonlinear constraint game theory

Asked by Akshay Tanaji Bhosale on 3 Nov 2023

Latest activity Commented on by Torsten on 7 Nov 2023

Gaming Strategy & Logic

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2 views

FEM for nonlinear first-order ODE

Asked by Andrei on 6 Nov 2023

Latest activity Edited by Andrei on 6 Nov 2023

MATLAB Programming

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Fsolve 19 state variables with matching dimensions

Asked by Gabriel McQueen on 3 Nov 2023

Latest activity Commented on by Torsten on 3 Nov 2023

Accepted Answer by Torsten

MATLAB Language Fundamentals Matrices and Arrays Operating on Diagonal Matrices

1

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0 votes
3 views

Having trouble modelling a nonlinear spring, dampener system with simulink

Asked by Michael Fisher on 17 Oct 2023

Latest activity Answered by SAI SRUJAN on 3 Nov 2023

Physical Modeling Simscape Multibody Multibody Modeling Assembly

1

answer

0 votes
7 views

nlinfit error too many input arguments in the model function

Asked by Hani Alkhatib on 7 Jan 2022

Latest activity Answered by SAI SRUJAN on 31 Oct 2023

AI, Data Science, and Statistics Statistics and Machine Learning Toolbox Regression Nonlinear Regression

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How is the ‘DistanceThreshold’ influencing the embedding dimension in the Phase Space reconstruction calculation?

Asked by FREDERIK PELKE on 21 Jul 2022

Latest activity Answered by Ayush Modi on 30 Oct 2023

Sciences Earth, Ocean, and Atmospheric Sciences Oceanography and Hydrology

1

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Can I apply branch and bound and use linprog function to minimize a function? if there is an example please share it

Asked by Mohammad on 30 Oct 2023

Latest activity Edited by Matt J on 30 Oct 2023

Mathematics and Optimization Global Optimization Toolbox Surrogate Optimization

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0 votes
4 views

nlmpcmove results in initial control input for all time

Asked by JV on 9 Mar 2021

Latest activity Answered by 曜星 on 30 Oct 2023

Control Systems Model Predictive Control Toolbox

1

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0 votes
3 views

How can I solve a nonlinear matrix equation, and get the possible _matrices_ as my output, instead of a struct of 1-dimensional solutions?

Asked by Ali on 28 Oct 2023

Latest activity Commented on by Ali on 28 Oct 2023

Accepted Answer by Matt J

Mathematics and Optimization Symbolic Math Toolbox

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0 votes
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How can I solve this nonlinear equation? I tried fsolve、fzero and vpasolve, which all could not found solutions. My target is to find solution of 'w' with different 'z'

Asked by LiangXi Liu on 9 Oct 2023

Latest activity Answered by Varun on 27 Oct 2023

Mathematics and Optimization Optimization Toolbox Optimization Results Solver Outputs and Iterative Display

2

answers

0 votes
3 views

I don't understand why this script is outputting imaginary values

Asked by Matthew on 26 Oct 2023

Latest activity Moved by Walter Roberson on 27 Oct 2023

Accepted Answer by Walter Roberson

Mathematics and Optimization Optimization Toolbox Systems of Nonlinear Equations

4

answers

0 votes
29 views

How to plot the best fitted ellipse or circle?

Asked by Ashfaq Ahmed on 24 Oct 2023

Latest activity Edited by Matt J on 25 Oct 2023

Accepted Answer by Matt J

MATLAB Graphics 2-D and 3-D Plots

1

answer

1 vote
8 views

Solve systems of 6 non-linear equations

Asked by Tra Yen Nhu Phan on 22 Oct 2023

Latest activity Commented on by Sam Chak on 25 Oct 2023

Accepted Answer by Tra Yen Nhu Phan

MATLAB Graphics Graphics Objects Interactive Control and Callbacks

Results 51 - 100 of 1,950