Answered
Calling a function within an fmincon slows it down?
One more thing you can try is to reduce the number of function evaluations using this technique. I am not sure what "hello" is ...

5 years ago | 0

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FMINCON first order optimality non-zero
From your problem description it is very likely that the objective function is not smooth. Your black box functions may respond ...

5 years ago | 0

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Bayesian Optimization: How should we parameterize hidden units for changing number of layers (depth) of a BiLSTM network using bayesopt?
I believe that you can perform the optimization the way you want using conditional constraints. If M is the number of layers tha...

5 years ago | 0

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Answered
Using fmincon with multiple inequality constraints
You can easily formulate these constraint for fmincon using the recipes in Write Constraints. Your first two constraints, and ,...

5 years ago | 1

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Answered
Problem using FSOLVE 'OptimalityTolerance' is not an option
I am surprised that you got that error, but here is what the fsolve documentation has to say about that option: Internally, the...

5 years ago | 0

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Answered
find optimal hyperparameters in SVM
Read what the bayesopt documentation has to say about your chosen acquisition function: "Acquisition functions whose names inclu...

5 years ago | 0

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Problem with non-linear least squares fit to a non-linear model function using Gauss-Newtons method
I suggest that you try to follow the example Curve Fitting via Optimization. If you have an Optimization Toolbox license, you wo...

5 years ago | 0

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Is fmincon correct for this problem?
I see that you define a quantity Y in your nonlinear constraint expression, but you don't seem to use it. Was this an oversight?...

5 years ago | 0

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Error when using fminsearch to find least squares fit of data using a given equation
I suggest that you use the debugger. Alan Weiss MATLAB mathematical toolbox documentation

5 years ago | 0

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is there a gradient based and mixed integer optimization algorithm in Matlab?
No, the only two solvers for nonlinear integer-constrained problems are ga and surrogateopt, neither of which is gradient-based....

5 years ago | 0

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penalty fitness value not changing
There may be only one feasible point that ga found. Alan Weiss MATLAB mathematical toolbox documentation

5 years ago | 0

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fsolve function give poor results for multiple equations
I wasn't able to find a very good answer either. I'm not sure that one exists. I think that lsqnonlin is a more appropriate solv...

5 years ago | 0

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How to use "fmincon" function to find the minimum of a function with nonlinear constraints
I think that you are on the right track using fmincon. See the function reference page for details. Also, there is a topic on ho...

5 years ago | 0

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Answered
Three inequality constraints for multi-objective genetic algorithm
These are linear constraints, so you should not use a nonlinear constraint function (which has errors in signs in any case: you ...

5 years ago | 0

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Answered
symbolic matrices optimization with fmincon
I was able to modify your program to run. I don't know if it is correct, but at least it runs. chi= rand(4,4) %% for example s...

5 years ago | 0

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Answered
How can I require an optimization function to only consider a step successful if it decreases the cost function by a user-defined amount?
I think that you can accomplish what you want by using a custom search function. The syntax of a search function is function [s...

5 years ago | 0

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What are the limitations for gamultiobj
There is no built-in limitation to either the number of variables or the number of objectives. Depending on your software versio...

5 years ago | 0

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How to Iteratively optimise an equation [OPTIMTOOLBOX]
Are you asking how to write a loop in MATLAB or how to store the results? This is just a sketch, it is missing some values, but ...

5 years ago | 0

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MultiStart Parallel processing doubt
I am not an expert in MATLAB parallel computation, but I believe that generally the answer is no to both of your questions. Whil...

5 years ago | 0

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Set hessian function only once for fmincon
It seems to me that if you are changing the problem Hessian at each iteration then you will have to change the fmincon Hessian a...

5 years ago | 1

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how to define sqrt in Optimization?
I'm not sure what you are talking about. If you are trying to extend the problem-based method, then the short answer is you are ...

5 years ago | 0

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Restriction of upper and lower boundary values to single decimal place in GA.
You are free to use Mixed Integer ga Optimization and have your integer problem variables be ten times your real variables. Ala...

5 years ago | 1

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Answered
Is it possible before to run the optimization with GA or whatever meta-heuristic methods (algorihtm of optimization) you can choose or define the step or the increment of the bound of variables ?
You are free to use Mixed Integer ga Optimization and define your resulting variables as, for example, integer/100 or integer/20...

5 years ago | 1

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Constrained Non linear least squares returns equation parameters much different from true set
I don't know exactly where your error is, but I reworked your code, and in my reworked version lsqnonlin returns the correct ans...

5 years ago | 0

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Answered
Using derivatives function, diff and GA toolbox
You don't show any code, so my answer might be irrelevant. Are you using diff as a symbolic derivative or as a standard MATLAB ...

5 years ago | 0

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Why isn't parallel computing taking place when using MADS search methods in patternsearch?
I think that you might have a slight misunderstanding of what some options mean, and also you need to set your options slightly ...

5 years ago | 0

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fminsearch options...supressing error messages
Are you passing the options to fminsearch? Please show your fminsearch call and options creation call. Alan Weiss MATLAB mathe...

5 years ago | 0

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How to change the MaxSQPIter in the fmincon solver options?
If you look in the fmincon documentation of options you fiind that MaxSQPIter is a hidden option for the active-set algorithm. ...

5 years ago | 1

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Answered
Computational Efficiency for Decoupled Optimisation
Because the problems can be solved separately, then it will certainly save memory to solve them separately. Whether it saves tim...

5 years ago | 0

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Finding a single global solution
The answer is that you are using the wrong solver, and might have a wrong idea about what is possible. For almost all problems,...

5 years ago | 0

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