Answered
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...

3 years ago | 0

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

3 years ago | 0

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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...

3 years ago | 1

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Answered
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...

3 years ago | 0

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

3 years ago | 0

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

3 years ago | 0

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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...

3 years ago | 1

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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...

3 years ago | 1

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Answered
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...

3 years ago | 0

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Answered
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...

3 years ago | 0

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Answered
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...

3 years ago | 0

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Answered
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-...

3 years ago | 0

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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....

3 years ago | 0

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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...

3 years ago | 2

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Answered
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...

3 years ago | 1

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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...

3 years ago | 0

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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 ...

3 years ago | 0

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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...

3 years ago | 0

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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...

3 years ago | 1

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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...

3 years ago | 0

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How can i multiply each element of structured array
You need to extract the correct elements from your structures before using them. I am not sure what you mean to have as an objec...

3 years ago | 0

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Optimisation of energy system
Perhaps you will find some inspiration in the example Optimal Dispatch of Power Generators: Problem-Based. Alan Weiss MATLAB m...

3 years ago | 0

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my equation has 3 variables but i want to integrate with respect to only one variable ,so that i can optimize the ramaining two from the resulting equation
This seems like a solution. Of course, I don't know what your real bounds are on d and e, so I just guessed. Notice that I used...

3 years ago | 0

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Answered
FMINCON requires all values returned by functions to be of data type double
Generally, in order for us to be able to help you need to report the entire error message that you receive, everything in red. A...

3 years ago | 1

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How can I specify a Min LeafSize in a decision tree and also optimize it?
Take a look at the hyperparameter optimization argument of fitctree. You can fit the MinLeafSize parameter. To set the range you...

3 years ago | 0

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How do we define prob=optimproblem for multiple energy storage systems
Most likely, you should use a single problem, but have multiple variables that represent the batteries' charge levels or whateve...

3 years ago | 1

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Why almost the same optimization function gives different results?
I am not 100% sure, but my reading of the fitcecoc documentation shows that 'auto' has this description: 'auto' — Use {'Coding'...

3 years ago | 0

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How to Setup Surrogate Optimization with Data input
The error is clear: you have just three variables, so the indices of the integer variables have to be in the range 1 through 3. ...

3 years ago | 0

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fmincon stopped because the size of the current step is less than the value of the step size tolerance and constraints are satisfied to within the value of the constraint tol
I do not understand what your constraints do. They seem to depend on random numbers, and so change every time they are called. T...

3 years ago | 1

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How to use fmincon for multivariable optimisation of a cost function with different levels of sensitivity to different variables?
Usually you should not use DiffMinChange. The more recent version of the option is FiniteDifferenceStepSize. That option accepts...

3 years ago | 0

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