How to find fixed number of variables with value 1 using Genetic Algorithm with population type Bitstring ?
If I understand you correctly (and I might not have understood), you want to impose a linear constraint on the population x sum...

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Find best input combinations that will maximize the output of a non-linear ODE mathematical model
Add the parameters to optimize as a vector in your ODE calculation: function rest = Scrpt1(t,X,params) x2 = X(1); x3 = X(2);...

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How to use simulated annealing to optimize a simulation based, multicriteria Problem?
Your question confuses me because you talk about having a multiobjective problem but then seem to want to use simulannealbnd to ...

parallel computing in Genetic algorithm
You have to be careful using parallel computing. Are you using Simuulink® for the simulation? I am not sure that it can run in p...

How to find a part of function value in Genetic Algorithm after each iteration cycle
I think that you can write a Custom Output Function for Genetic Algorithm and use it to calculate what you want and store them i...

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Coding a GA using constraint functions but getting array size error. - SOLVED
I think that you can investigate this problem yourself by using the debugger to set a break point at or just before line 119, an...

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multi constraints fmincon optimization
I don't know which of these variables are optimization variables, meaning those that can be changed to try to optimize, and whic...

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surrogateopt: get handle of optimized surrogate function
Sorry, the surrogate is not returned and is not available. We have no idea whether the surrogate is a good approximation to the ...

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Intlinrprog (maximize) vs excel Solver (Maximize)
Your problem is that you set intcon = 3; This means that the only variable restricted to be an integer is x(3). Instead you sh...

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Multi-objective optimization
Are you looking for the gamultiobj solver? Or are you asking something else? Alan Weiss MATLAB mathematical toolbox documentat...

Find values for best and mean fitness value for each generation in Genetic Algorithm
Use a Custom Output Function for Genetic Algorithm. Model it on the gaplotbestf plot function. To see that function, edit gaplo...

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Optimization of multiple input variable to a model
Usually you should use a least-squares solver for nonlinear fitting. See Nonlinear Data-Fitting and Nonlinear Least -Squares, Pr...

The topic Mixed Integer ga Optimization adderesses this kind of question. For an example that uses integer variables for non-int...

Linear programming exercise help
This looks like quadratic programming, not linear programming. In any case, it looks quite straightforward to solve this kind of...

Solving an optimization problem using fmincon
I think that this is a straightforward problem is you use the problem-based optimization workflow, which requires a relatively r...

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Bayesian Optimization Hyperparameters .
The bayesopt function performs all Bayesian optimization. The bayesopt algorithm is described here. When finding the best parame...

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How set properly a multiobjective optimization problem
I think that you need to understand that the optimization variables all need to be in one variable, typically called x. See Writ...

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Simulation: fminsearch in a for loop
Do you really want TolFun = 1000? Are you sure? I am not sure that I understand what you are trying to do, but maybe you have a...

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3 variable Linear function problem
In linprog set lb = [0 0 -Inf]; You will have to take the negative of your objective function vector in order to maximize. Al...

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prediction using genetic algorithm
Perhaps you are looking at fitting a parameterized model to data using the genetic algorithm. You can follow the Nonlinear Data-...

How do I optimise a logarithmic (log) function in Matlab?
It depends on which variables you can change in your optimization process, and whether there are any constraints such as bounds....

Solving a MINLP Optimization Problem
There are two MINLP solvers in Global Optimization Toolbox: ga and surrogateopt. Either should work for you. The surrogateopt so...

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How to optimize the variables of a regression model
I think that you need to connect your data argument to your x argument. Something like this: function f = objconstr(x,trainedMo...

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Bayesian Optimization Output Functions within Matlab App
I don't know what you mean "when calling a function within an app, I need to also supply the argument app." However, maybe I ca...

Error using MATLAB GA - [left and right sides have a different number of elements]
I do not understand this line: objFun = @(x) my_objFun(var1(j),var2(i)); Where does the variable x enter objFun? I think that ...

Find best input combinations that will maximize the output of a non-linear ODE mathematical model
I don't know what an SBML file is. But to optimize an ODE you can look at these examples: Fit ODE, Problem-Based Fit an Ordina...

Gamultiobj only finding one point on pareto front
I suggest that you find the single-objective minima as in Start from Single-Objective Solutions or Start from Single-Objective S...

How can i multiply each element of structured array
I'm sorry that you are having these problems, but you must realize that all of them are due to size mismatches in your structure...