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Question
lambda in fmincon Interior-Point Algorithm with Analytic Hessian
I am trying to use fmincon Interior-Point Algorithm with Analytic Hessian (https://www.mathworks.com/help/optim/ug/fmincon-inter...
plus d'un an il y a | 2 réponses | 0
2
réponsesQuestion
how does fmincon deal with ill-conditioned problem?
Do I need to do regularization to my problem such as with Tikhonov regularization before applying fmincon? Thank you very much!...
environ 2 ans il y a | 3 réponses | 0
3
réponsesQuestion
selecting units for (1) scaling of variable and (2) condition number minimization
In gradient-based optimization problem, selecting units can influence the condition number of the gradient. A smaller condition...
environ 2 ans il y a | 1 réponse | 1
1
réponseQuestion
fmincon stopped when Norm of step is far larger than StepTolerance
My Norm of step is about 10 and my StepTolerance is 1.0000e-14. Then Matlab says: fmincon stopped because the size of the curr...
environ 2 ans il y a | 1 réponse | 1
1
réponseQuestion
how does fmincon interior-point algorithm deals wtih underdetermined system?
I am working on a tomography problem that may become underdetermined during iteration. To handle this, I may give NaN to fmincon...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
my nonlinear constraints HAVE to be satisfied, what to do next?
I am working on a sophisticated anisotropic tomographic modeling project. I recently learned that the fmincon function in MATLAB...
plus de 2 ans il y a | 2 réponses | 0
2
réponsesQuestion
Is it it possible to make fmincon strictly follows the nonlinear constraints?
I have searched and read many articles but didn't find the answer. I often use the fmincon interior-point algorithm. I understa...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
fmincon nonlinear inequality constraint including variable with range?
function [c,ceq] = nonlcon(x) c(1) The above is the name and content of a nonlinear inequality constraint. If I want to write...
plus de 2 ans il y a | 1 réponse | 0
1
réponseQuestion
Square root in objective function must appear as nonlinear constraints for optimization?
The title already described my question. Let me give a specific example: If I have in my objective function for fmincon to opt...
plus de 6 ans il y a | 4 réponses | 0
4
réponsesHow to solve LMIs with equality constraints using MATLAB?
Section 2.5 of Byod's book Linear Matrix Inequalities in System and Control Theory specifically talks about this problem.
presque 7 ans il y a | 0
Function handle in lsqr
Thank you indeed for your very very specific answer to this question!
plus de 7 ans il y a | 0
Question
Function handle in lsqr
https://www.mathworks.com/help/matlab/ref/lsqr.html In the above page, there is code: function y = afun(x,transp_flag) ...
plus de 7 ans il y a | 2 réponses | 0
