Answered
Thermal anaysis Using PDE Toolbox
While I don't know exactly what kind of problem you have, generally, PDE Toolbox does not yet support multi-part assemblies. Now...

9 years ago | 0

Answered
How to find a constrained distribution within an array that results in an optimum.
I suppose that when you say that you want to "optimize" |y|, you want to minimize or maximize the sum of the elements in that mu...

9 years ago | 2

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Answered
How to set options of particleswarm ?
What version of MATLAB do you have? |particleswarm| was introduced in R2014b. Do you have a Global Optimization Toolbox licen...

9 years ago | 0

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Answered
optimtool to be removed?
I'm sorry that the note caused you concern. Only the Optimization app ( |optimtool|) will be removed, because the underlying sof...

9 years ago | 0

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How do I fit an arbitrary function to data using LSQNONLIN ?
Your objective is piecewise constant (you have |round| calls). Like all nonlinear Optimization Toolbox solvers, |lsqnonlin| is b...

9 years ago | 1

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using genetic algorithm optimizer to figure out points that satisfy the imposed constraints
You did not show us how you defined your objective function. Here is one that will work: fun = @(x)1; Alan Weiss MATLA...

9 years ago | 0

Answered
Run genetic algorithm from mps problem file
If your problem is really an MILP problem, with no nonlinear constraints, then you should use |intlinprog|, and not a genetic al...

9 years ago | 0

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Answered
how do i create a crater (upside down hollow dome) and include it as a geometry in a PDE model?
Try using <https://www.mathworks.com/help/pde/ug/create-and-view-3-d-geometry.html#buv3nfg-1 3-D geometry from a point cloud>. Y...

9 years ago | 0

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Answered
Applying MATLAB's Nonlinear Heat Transfer In a Thin Plate to a 3D Geometry
Take a look at the <https://www.mathworks.com/help/pde/ug/pdeplot3d.html |pdeplot3D| reference page>. You will see that |XYData|...

9 years ago | 0

Answered
Options for Genetic Algorithm don't work
For R2014b use |gaoptimset|. For R2014b, use the correct option names, as <http://www.mathworks.com/help/releases/R2016a/gads/op...

9 years ago | 1

Answered
Formulate linear programming problem
I think that you can formulate this as an integer problem. Let each object be either assigned a +1 to mean it goes to son A, or ...

9 years ago | 0

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contiguous surface for pde problems.
For such a vague question, I can give only a generic answer: take a look at <https://www.mathworks.com/help/pde/getting-started-...

9 years ago | 0

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intlinprog: multicore support possibile?
There are some documented <https://www.mathworks.com/help/optim/ug/tuning-integer-linear-programming.html suggestions for improv...

9 years ago | 0

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linear programming involving sum of element-wise product of two matrices
Yes, I believe that |linprog| can address this problem. The |linprog| problem formulation is to minimize, for a given column vec...

9 years ago | 1

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Help with Stopping Criteria when using 'gamultiobj' for Multiobjective Optimization.
I am not at all sure that I understand what you are trying to do, but it is possible that an <https://www.mathworks.com/help/gad...

9 years ago | 0

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How to display every parameter value at every iteration while using Genetic algorithm
Use an <https://www.mathworks.com/help/gads/custom-output-function-for-genetic-algorithm.html Output Function> to report whateve...

9 years ago | 1

Answered
How to properly use fmincon and optimization?
It sounds like |lsqcurvefit| is eminently suited to your problem, except for the scaling issue of too-small function values. I w...

9 years ago | 1

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Plot two solutions of PDE from different space.
I suppose that the first mesh points are in a vector |x1|, and the second set of mesh points is in a vector |x2|. I also assume ...

9 years ago | 1

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linprog inconsistent messages I am using linprog, and not supplying initial starting value, i.e., my code reads as follows options = optimoptions('linprog','Algorithm','interior-point','Display','iter'); x = linprog(f,A,b,Aeq,beq,lb,ub,options); I g
You are using a version of MATLAB that requires an |x0| input. Yet not all the |linprog| algorithms accept |x0|. I suggest that ...

9 years ago | 2

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Answered
fminunc: Too many output arguments
In your options you set |GradObj| to |'on'| and |Hessian| to |'user-supplied'|. Yet your objective function does not return the ...

9 years ago | 1

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Answered
Setting optimality tolerance for fminunc
Yes, indeed. R2016a is where |OptimalityTolerance| was introduced. More information is in the <http://www.mathworks.com/help/rel...

9 years ago | 0

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Answered
How fmincon can manipulate continuous and discrete variables ?
No, |fmincon| does not use discrete variables, only continuous. Alan Weiss MATLAB mathematical toolbox documentation

9 years ago | 0

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Answered
How to plot Pareto Front for 4 Objective Functions ?
I have no idea how to plot such a thing. You might want to try looking at four different <https://www.mathworks.com/matlabcentra...

9 years ago | 0

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Optimal portfolio weights maximizing the expected utility function?
You simply need to change your objective function reference to ObjectFunction = @(x)expectedutility(x,blockP1,gamma) Thi...

9 years ago | 0

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Answered
How to check optimized values after stopping the program midway?
You can use a <https://www.mathworks.com/help/optim/ug/plot-functions_br5474z.html plot function> to monitor your optimization. ...

9 years ago | 0

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Answered
UseParallel Option with fmincon
Well, if you supply the gradients and set the appropriate options (set |SpecifyObjectiveGradient| and |SpecifyConstraintGradient...

9 years ago | 0

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Answered
How do I set a custom algebraic upper/lower bound on lsqcurvefit, instead of a constant one?
For that, you will have to use |lsqlin| (if it is applicable) or |fmincon| if it is not applicable. I cannot be sure, based on y...

9 years ago | 0

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How can I set up constraints in the Optimization toolbox?
Get the variables into your workspace and then call |fmincon| or whatever solver you are using. Something like this: A = yo...

9 years ago | 0

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Answered
HOW TO GENERATE REGULAR SQUARE MESHES INSTEAD OF IRREGULAR TRIANGULAR MESHES, OVER A 2D REGION TO SOLVE PARTIAL DIFFERENTIAL EQUATION.
I'm afraid that you cannot use a rectangular mesh with PDE Toolbox. The toolbox uses triangular meshes only. Alan Weiss MA...

9 years ago | 1

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Answered
How to solve linear constraint in genetic algorithm with population type of Bit string .?
1. Please format your question using the |{} Code| button as appropriate so that we can read your code. 2. You probably don't...

9 years ago | 0

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