Answered
Matlab: Changing shapes of PDEG
I am not sure that I understand what you are asking, but did you see the <http://www.mathworks.com/help/pde/ug/create-geometry-u...

10 years ago | 0

Answered
How to use lsqnonlin to fit model to measurements?
I believe that you made a mistake: you wrote @(alpha)delta_eq(:,503) when you meant @(alpha)directDelta2(SS1, SS2, SS...

10 years ago | 0

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Answered
Hi all; I try to use fmincon in order to find the optimal control force F for an active suspension system, every time I run fmincon, F and the objective function did not change. Kindly, can any on explain to me why I get this problem. Thanks
Did you try plotting your objective function to make sure that it is not constant near the initial point? Are you sure that you ...

10 years ago | 1

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Answered
where can i get more details about the different algorithms used in the optimisation tool solvers?
There are <http://www.mathworks.com/help/optim/ug/constrained-nonlinear-optimization-algorithms.html links to the bibliography> ...

10 years ago | 0

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Answered
Controlling accuracy of variables in ga
You should definitely not use integer constraints when you don't need them. The real question is, do you need to use |ga|? Th...

10 years ago | 0

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Answered
What are the Constrained dependent functions in GA toolbox ?
You can find the functions described in the <http://www.mathworks.com/help/gads/genetic-algorithm-options.html Genetic Algorithm...

10 years ago | 0

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How can I know what are the various parameters of GA used in specific code?
If |options| is the name of the options you used in the optimization, just display those options. And if you did not use any non...

10 years ago | 0

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Improve initial values lsqcurvefit
If you have Global Optimization Toolbox, you can use |MultiStart| to generate multiple initial points randomly within finite bou...

10 years ago | 1

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Matlab: Why GA algorithm does not satisfy non-linear constraint in its population creation?
There is no optimization algorithm in MATLAB that is designed to satisfy nonlinear constraints at each iteration. For details of...

10 years ago | 0

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Which optimization tool to use?
You might find a similar sort of problem formulation in <http://www.mathworks.com/help/gads/optimize-an-ode-in-parallel.html thi...

10 years ago | 0

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fsolve with structure of functions in a cell
I think that the error message is clear: |fsolve| expects a single function handle, not a cell array of handles. |fsolve| is ...

10 years ago | 2

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Answered
Pattern search with integer decision variable.
If you have mixed (some integer, some continuous) variables, then no, there is currently no |patternsearch| solution. <http://ww...

10 years ago | 2

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Answered
How to set the variables of genetic algorithm toolbox changing 1 or 0?
If you are asking how to do mixed-integer programming using |ga|, see <http://www.mathworks.com/help/gads/mixed-integer-optimiza...

10 years ago | 0

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Answered
MATLAB genetic algorithm integer optimization toolbox returns values higher than boundaries and doesn't satisfy inequality constraints. Why?
I would give a feasible point for starting. Something like x0 = 2:2:160; options.InitialPopulationMatrix = x0; It is po...

10 years ago | 0

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Hello! How to use symbolic to solve a problem without explicit formulas for functions?
I suppose that you could differentiate your function twice, then plot the result and see whether it looks negative everywhere. I...

10 years ago | 0

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FunctionTolerance parameter has no effect on fmincon - is it a bug?
The documentation is certainly lacking on this subject. Sorry about this lacuna. I will correct the documentation in a future re...

10 years ago | 0

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Solve 2d wave equation on circular domain using pdetool
You probably missed the *PDE > PDE Specification* dialog, where you can specify a hyperbolic PDE. You can specify initial condit...

10 years ago | 0

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Why is the optimization toolbox removed in the matlab future release?
Optimization Toolbox is not going to be removed in a future release. However, the Optimization app, which you can launch using t...

10 years ago | 5

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Answered
Suppress linprog 'Optimal solution found' message.
I cannot reproduce your problem. Using your code (with my own variables) I do not get the exit message when using the stated opt...

10 years ago | 0

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Answered
fmincon with additional parameters + user-defined gradient + user-defined hessian
In general, you might want to use the |'interior-point'| algorithm, because it can handle a wider variety of problem types than ...

10 years ago | 0

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How to use Genetic Programming ToolBox In matalb?
Perhaps <http://www.mathworks.com/help/gads/genetic-algorithm.html the documentation> can answer some of your questions. You can...

10 years ago | 0

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Practical swarm optimization algorithms
Please post your call to the solver. It looks like you are using |ga| as a solver when you said that you are using |particleswar...

10 years ago | 0

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fsolve is not included in your installed products. These products offer 'fsolve': Optimization Toolbox Error in test2R (line 52) [Y]=fsolve(@eqns100,w,options);
Enter |ver| at the command line, and see if you have Optimization Toolbox(TM) installed. If you do, then I suggest that you rein...

10 years ago | 0

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Speed up Matlab funtion optimset or fsolve
It is hard to know what you are asking, because you give code that is not in a loop, so we cannot see what you are really optimi...

10 years ago | 0

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Particle Swarm - Additional Arguments
That older way of passing additional arguments is supported but not documented for older functions. Newer functions do not suppo...

10 years ago | 1

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Answered
I am a new user. I need help to get de numerical solution of a system of 3 PDE
I believe that PDE Toolbox can solve this type of problem. Depending on which software version you have, the solver changes (the...

10 years ago | 0

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Genetic Algorithm is giving "Out Side the bound" values as optimum value. How to overcome this?
Did you give any options to |ga|? It is possible to give mutation or crossover options that can cause |ga| to lose feasibility. ...

10 years ago | 1

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Answered
Why am I getting Infeasible Solution for Location Problem?
While I know nothing about Yalmip, and do not really follow your problem setup, the error message is clear: it seems that there ...

10 years ago | 0

Answered
gaplotbestf shows "Best fitness plot: not available"
I believe that |gamultiobj| does not support |@gaplotbestf| for the simple reason that |@gaplotbestf| is for a single objective ...

10 years ago | 0

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Answered
Repeated fmincon optimization of slightly different objective functions
I am not sure why you are using the procedure that you describe. Do you need the intermediate solutions after each set of data p...

10 years ago | 0

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