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Multi-objective optimization with nonlinear constraints using GA
This is a request for a feature that MathWorks has received before. I will add your request to the list. Alan Weiss MATLAB...

12 years ago | 0

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simulannealbnd for curve fitting
Take a look at <http://www.mathworks.com/help/optim/examples/nonlinear-data-fitting.html this example>. It shows doing the same ...

12 years ago | 0

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How can I write GA output function?
You can use a <http://www.mathworks.com/help/gads/genetic-algorithm-options.html#f14474 built-in plot function> such as @gaplotb...

12 years ago | 0

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Minimum Number of Variables for Effective use of the Genetic Algorithm.
For a description of the genetic algorithm in Global Optimization toolbox, <http://www.mathworks.com/help/gads/how-the-genetic-a...

12 years ago | 0

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error in fitness function (gaoptimset) ??? despite convex function gaoptimset does not optimise 2010b
I don't know why you think that the solver failed. From your graph, the minimum value of your objective function occurs at the p...

12 years ago | 0

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Answered
Valley-filling optimization problem
Without looking at your code, only having read your description, it seems to me that you are probably running into the problems ...

12 years ago | 0

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Error with inequality constraints with patternsearch
TolBind relates to linear constraints. So I suggest that you use the GSS polling algorithm instead of the default GPS. Set the P...

12 years ago | 1

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Answered
How do i formulate the following otimization function in matlab?
This is straightforward to formulate and solve using Optimization Toolbox solvers such as fmincon. However, I am not sure that I...

12 years ago | 0

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Linear Constrained optimization help
I do not understand why you have all these calls in a function (LinConOp). The function does not see the parameters that are (pr...

12 years ago | 0

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how to optimize a function which is no smooth but has rough minimum point
You could try smoothing your function before minimizing. Take a convolution with a smooth function with width around 1/4 or 1/2....

12 years ago | 0

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Can I see the parameters that fminunc generate in each try of the optimization search?
You can write an <http://www.mathworks.com/help/optim/ug/optimization-options-reference.html#f11022 output function> to obtain a...

12 years ago | 0

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Answered
Why Linear Inequalities in gamultiobj make the process slow when increasing the population?
In fact, the population creation function is solving linear programming problems to give a feasible initial population, meaning ...

12 years ago | 2

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Using fmincon with nonlinear equalities
You can use this for your objective function: fun = @(x)f'*x; For nonlinear constraints, see <http://www.mathworks.com/he...

12 years ago | 0

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fminsearch, problem with option specification
This type of constraint (V1 < V2 < ...) is called a linear constraint. Generally, Optimization Toolbox solvers can include linea...

12 years ago | 0

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optimization , no feasible solution
You might want to try the <http://www.mathworks.com/help/optim/ug/when-the-solver-fails.html#br44i73 suggestions in the document...

12 years ago | 1

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what solver to use for a linear objective function with a quadratic constraint?
According to the <http://www.mathworks.com/help/optim/ug/choosing-a-solver.html#brhkghv-19 Optimization Decision Table>, you sho...

12 years ago | 1

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Answered
How can i use ga optimization to generate bit solutions in a vector?
The bit string population type does not accept linear constraints, <http://www.mathworks.com/help/gads/genetic-algorithm-options...

12 years ago | 0

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Variable x at each generation
You could <http://www.mathworks.com/help/gads/genetic-algorithm-options.html#f17784 enable iterative display>. Or you could <htt...

12 years ago | 0

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how to increase option.maxlter? thank you!
For information on setting options, see <http://www.mathworks.com/help/optim/ug/set-and-change-options.html the documentation>. ...

12 years ago | 0

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How to use set implementation to avoid nested loops in an optimisation algorithm?
Sorry, the genetic algorithm only optimizes scalar fitness functions. I believe that there is no way to optimize a set of fitnes...

12 years ago | 0

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exhaustive search matlab with 4 variables
Your suggested method of evaluating the quality of your soloution is not necessarily the best. Instead, I suggest that you use p...

12 years ago | 0

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Answered
Best global optimization solver for a logistic function form
<http://www.mathworks.com/help/optim/ug/when-the-solver-succeeds.html#br7o2sl The documentation> has some suggestions on searchi...

12 years ago | 0

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Answered
Only generate sorted solutions by constraint using a ga-solver
I am not sure that I really understand what your constraints are. Do you allow more than one value of 6 to appear? In general...

12 years ago | 0

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Misunderstanding about the number of trial points in Globalsearch
In the <http://www.mathworks.com/help/gads/how-globalsearch-and-multistart-work.html description of the algorithm>, *Obtain Stag...

12 years ago | 1

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Find the global minimum of a smooth function
The documentation <http://www.mathworks.com/help/gads/choosing-a-solver.html#bsbjg7m has recommendations for solvers for nonsmoo...

12 years ago | 0

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Answered
Method of solving system of nonlinear equations
<http://www.mathworks.com/help/optim/ug/equation-solving-algorithms.html The algorithms are explained to some extent here>. If y...

12 years ago | 0

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Error using fminsearch: No class * can be located on Java class path
This code works for me: x = fminsearch(@(x)sin(x(1))*cos(x(2)),[-2,1],optimset('PlotFcns',@optimplotfval)) x = -1....

12 years ago | 0

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Problem in loading optimization toolbox
ga is a function in Global Optimization Toolbox, not Optimization Toolbox. At the MATLAB command line enter ver to see wh...

12 years ago | 0

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Imposing constraint on gradient coefficients in NonLinear optimization
I suppose that you could try to minimize the sum of the squares of the differences between various coefficients: (Coeff(1) -...

12 years ago | 0

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parameter optimization of support vector machine
You seem to be looking at <http://www.mathworks.com/help/releases/R2013a/stats/support-vector-machines-svm.html#bsr5o1q this exa...

12 years ago | 0

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