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Khadija


Last seen: 5 days ago |  Active since 2024

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how to get global optimum with Multistart?
I used lsqcurvfit to give an estimate to the parameters, but certainly the initial condition does not give a good fit, I impleme...

15 days ago | 1 answer | 0

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answer

Question


How to color a contour of two curves?
Hi, I'm trying to color a contour between two function curves, the problem is that just the two curves appear, without a colored...

22 days ago | 1 answer | 0

1

answer

Question


How can i draw shaded confidence region with nlparci and lsqcurvfit?
[k,Rsdnrm,Rsd,ExFlg,OptmInfo,Lmda,Jmat] = lsqcurvefit(@simulatedhs,k0,tforward,[Hdata,HSdata],lb,ub); CI = nlparci(k,Rsd,'jacob...

5 months ago | 1 answer | 0

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Question


How to implement MultiStart to find a good fit of two curves at the same time with real data such as our curves are governed by an ODE system?
% Set up the problem for MultiStart problem = createOptimProblem('lsqcurvefit','x0',k0,'objective',@simulatedhs,... 'lb',z...

5 months ago | 0 answers | 0

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how to get a good estimate of the positive parameters that will give a good fit of the curves to real data?
clear close all clc % Données spécifiques specific_data = [ 2009 2 8; 2010 10 22; 2011 30 45; 2012 ...

5 months ago | 1 answer | 0

1

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Question


Hello, I would like to know how to draw a shaded region like this?
I am trying to estimate the parameters for a mathematical model, I managed to do it but there remains a problem of determining t...

6 months ago | 1 answer | 0

1

answer

Question


How can i solve this problem' when i am running, this message appears: Failure in initial objective function evaluation. FMINUNC cannot continue.
I'm writing a matlab program to try to fit a mathematical model to real data.

9 months ago | 1 answer | 0

1

answer