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Question
Steps between iterations too large
I use the fminunc function (active-set algorithm) in Matlab to optimize a function. I expect the values of the optimized paramet...
plus de 9 ans il y a | 1 réponse | 0
1
réponseIssues using an efficient positivity constraint
Indeed, doing the calculations I see the first one is not correct and the second one is. Thank you.
plus de 9 ans il y a | 0
Issues using an efficient positivity constraint
Dear Thorsten, I did not make this very clear in my question, sorry. The matrix consist of weights within a portfolio constru...
plus de 9 ans il y a | 1
Question
Issues using an efficient positivity constraint
I want to use the following command to obtain only values of 0 or higher for the values in the 600x495 weight matrix p_w: f...
plus de 9 ans il y a | 4 réponses | 0
4
réponsesQuestion
Fmincon significance; which statistics to use?
I've used the fmincon function to optimize a utility function in a portfolio selection problem. Now that I have the parameters a...
plus de 9 ans il y a | 1 réponse | 0
0
réponseQuestion
Panel data regression (fixed effects)
I would like to run a panel data regression which is formatted in the following way: -dependent variable: *618x14038 (num...
plus de 9 ans il y a | 1 réponse | 0
1
réponseEstimator standard errors using fmincon (portfolio optimization context)
Thanks everyone for helping me with my problem. After rerunning the optimization it turned out that my estimators were all well ...
plus de 9 ans il y a | 0
Estimator standard errors using fmincon (portfolio optimization context)
Dear Roger and Matt, Thank you very much for your response. If I understand correctly, I need to run the estimation again, bu...
plus de 9 ans il y a | 0
Question
Estimator standard errors using fmincon (portfolio optimization context)
I'm trying to get standard errors of the estimators in my optimization. I use the fmincon function with the active-set algorithm...
plus de 9 ans il y a | 4 réponses | 0
4
réponsesQuestion
Find index where value exceeds threshold
Dear all, I want to be able to find indices where values exceed a certain threshold. So if my variable of interest is called ...
plus de 9 ans il y a | 2 réponses | 0
2
réponsesTransforming panel data variables (from Excel/Stata) to multiple matrices in Matlab
I have managed to edit the data to from 'long' to 'wide' in Stata and afterwards import it into Matlab, so the problem is fixed....
presque 10 ans il y a | 0
| A accepté
Question
Transforming panel data variables (from Excel/Stata) to multiple matrices in Matlab
I would like to know if it is possible to go from my Excel/Stata dataset to variables in matrix form. My problem is as follow...
presque 10 ans il y a | 1 réponse | 0