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Failure of do loop after first step when applying globalsearch to a nonlinear least squares problem
Dear All, There was a simple solution. I replaced: for i = 1:100 problem_b = createOptimProblem('fmincon','obj...
7 years ago | 0
| accepted
Question
Failure of do loop after first step when applying globalsearch to a nonlinear least squares problem
Dear All, I am trying to generate bootstrap standard errors for a nonlinear least-squares optimization. The optimization ...
7 years ago | 1 answer | 0
1
answerQuestion
How to output Jacobian with lsqnonlin
Dear All, I am interested in obtaining the variance-covariance matrix for my parameters - x (15 by 1) - which are the solutio...
7 years ago | 1 answer | 0
1
answerQuestion
Bootstrap standard errors for nonlinear least squares regression
Dear All, I am interested in obtaining the variance covariance matrix for my parameters - x (15 by 1) - which are the solutio...
7 years ago | 1 answer | 0
1
answernlinfit function, not enough input arguments
Thank you very much Star Strider. That worked!
7 years ago | 0
nlinfit function, not enough input arguments
Dear dpb, Thanks very much. The error persists. x = nlinfit(X,y,@myfun,xstart); Error using nlinfit (line 213) Error e...
7 years ago | 0
Question
nlinfit function, not enough input arguments
Dear All, I am trying estimate 15 parameters using the following function: Parameters are x(1), x(2) ..... x(15) functi...
7 years ago | 4 answers | 0
4
answersMultistart or global search for lsqnlin
Thanks a lot Matt and Walter. That solved it!
7 years ago | 0
Multistart or global search for lsqnlin
Thanks a lot Matt for the speedy response: I tried your suggestion and get the following error: problem = createOpti...
7 years ago | 0
Question
Multistart or global search for lsqnlin
Dear All, I am estimating a nonlinear function defined by the following: function F = myfun(x,y,X) F = (y - (1 + ...
7 years ago | 3 answers | 0
3
answersWhy do I get error, "Not enough input arguments"
Thanks Walter. I am a newbie to matlab. Unable to figure how to parametrize the function. Will post a new question, that migh...
7 years ago | 0
Question
Why do I get error, "Not enough input arguments"
Dear Group, I am trying to estimate parameters from a non-linear model using lsqnonlin. My function is function F = m...
7 years ago | 3 answers | 0
3
answersQuestion
Undefined function or variable
Dear All, I am trying to estimate parameters using non-linear least squares. The version of Matlab I am using is R2018a. ...
7 years ago | 2 answers | 0
