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Objective function for peak shaving and valley filling of wind turbine electrical load profile
Perhaps your objective should be a new variable m along with the constraint m >= f(i) % for all i where i is the time index an...

mehr als 5 Jahre vor | 0

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Energy storage optimisation problem - separate charge and discharge constraint
The error message is spot on: when you multiply variables, the problem becomes nonlinear. However, I am sure that you would rath...

mehr als 5 Jahre vor | 1

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Look for Only Integer Values or Fixed Point Values in Paretosearch Algorithm
You could try setting the MeshTolerance option to a large value such as 1e-2 or even 1e-1. I'm not sure how it will affect the a...

mehr als 5 Jahre vor | 0

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How to change patternsearch options for paretosearch algorithm?
Did you look in the documentation of options for paretosearch? It states clearly that MeshExpansionFactor is for patternsearch o...

mehr als 5 Jahre vor | 0

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How can one write a program to do this? (fminbnd)
You can get the value of out = z simply by asking for it: [xbest,out] = fminbnd(@(x) test(x),0,1) See the fminbnd reference pa...

mehr als 5 Jahre vor | 0

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optimal allocation of two assets by minimizing shortfall probability using fmincon
The problem is the you have not defined your objective function as a separate file that the optimization calls. You need to writ...

mehr als 5 Jahre vor | 1

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Optimization of Simulink parameters using Global Optimization toolbox
There are a few examples in the documentation using Optimization Toolbox™ with Simulink®: Signal Processing Using fgoalattain ...

mehr als 5 Jahre vor | 0

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Objective and constraints having a common function - Problem based in Matlab 2016b
Perhaps what you are looking for is in Objective and Nonlinear Constraints in the Same Function. Alan Weiss MATLAB mathematica...

mehr als 5 Jahre vor | 0

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nonlinear integer(boolean) programming problem
Is the cost linear in the decision variables? If so, use intlinprog. I assume that you have other constraints that you did not l...

mehr als 5 Jahre vor | 0

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fmincon output is converging to infeasible point
While I don't understand your listed code at all, perhaps you will be able to solve your problem using some ideas from the docum...

mehr als 5 Jahre vor | 0

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Optimising using a combination of linear equality constraints and no constraints
I don't know whether your objective function is smooth or not. If it is smooth (differentiable), I would suggest that you use fm...

mehr als 5 Jahre vor | 0

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Bayesian Optimization ionosphere example
I think that you need to do some reading in Model Building and Assessment. Please read about how to specify variables and object...

fast 6 Jahre vor | 0

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Bayesian Optimization ionosphere example
The bayesopt solver passes a table of values to the objective function. The x.n argument takes the 'n' field of the table x, an...

fast 6 Jahre vor | 0

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How to know the current input for fminsearch?
For optimizing a simulation or ODE, you may want to try patternsearch and surrogateopt. For surrogateopt you will need to bound ...

fast 6 Jahre vor | 0

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"Conversion to optim.problemdef.OptimizationExpression from sym is not possible." I am getting this error and I am not able to understand how to resolve this error.
You are mixing several data types in your problem. You cannot use optimization variables, symbolic variables, and numeric variab...

fast 6 Jahre vor | 1

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How to see the current value of the variable in "fminsearch" optimization?
You can do this using an Output Function. That example shows how to return the history of points, which is I think what you want...

fast 6 Jahre vor | 2

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How to select the design variables on an optimization problem?
That is a reasonable approoach. In fact, some solvers check for "fixed" variables (those with equal upper and lower bounds) and ...

fast 6 Jahre vor | 0

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How to set a fixed step for lower and upper bounds (lb,ub) in particle swarm optimization?
I am not sure that I understand you. I think that you mean that you have discrete variables, you would like your solution to be ...

fast 6 Jahre vor | 0

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Trying to view/display an optimization problem(lmi)
I know nothing about EHCM toolbox. But it is apparent that the toolbox does not use the problem-based approach. The functions sh...

fast 6 Jahre vor | 0

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2D 'Surface Plot' from 3D geometry
There are some examples in the documentation that might be related to what you want. Alan Weiss MATLAB mathematical toolbox do...

fast 6 Jahre vor | 0

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Is it possible to introduce time dependent function in any of the coefficient of pde form used in pde toolbox?
This portion of the documentation describes how to set up a general PDE for solution by PDE Toolbox. This is the general workflo...

fast 6 Jahre vor | 0

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genetic algorithm to optimize the variable of linear regression(a,b1,b2)
While you CAN solve a linear regression using ga, it is unwise to do so. Your answers will be faster and more accurate while usi...

fast 6 Jahre vor | 0

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Simultaneous minimization of 3 equations to estimate 4 parameters
Did you understand that in general there is no such thing as the minimum of a vector-valued function? gamultiobj finds a Pareto ...

fast 6 Jahre vor | 0

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Linprog: Any ideas why x in [0,1] return a binary solution?
I am not sure that I understand your objective function or all of your constraints, but it is well known that the solution of a ...

fast 6 Jahre vor | 0

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Linprog: some lambda.lower > lambda.upper in output
You are mistaken that lambda.lower relates to lambda.upper. These are Lagrange multipliers. If the solution is at a lower bound,...

fast 6 Jahre vor | 0

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How to solve a minimization problem of a least squares cost function?
To solve a set of nonlinear equations, I suggest that you use fsolve instead of fminunc. For fsolve your objective function shou...

fast 6 Jahre vor | 1

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passing matrices in fmincon objective function
What does it mean to minimize a function that has more than one dimension? The answer is, the problem is ill-defined, there is n...

fast 6 Jahre vor | 0

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How can I set up nonlcon in fmincon using a surface?
I do not understand your syntax opt = fmincon(p_surf,x0,[],[],[],[],lb,ub,[[t_surf], []],[]) and I suspect that fmincon does n...

fast 6 Jahre vor | 0

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Meshing in Matlab using PDEToolbox
As the generateMesh page states, PDE Toolbox uses a triangular mesh in 2-D and a tetrahedral mesh in 3-D. This is also stated on...

fast 6 Jahre vor | 0

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user defined hessian in fminunc
The documentation on writing gradients and Hessians is here. The specifics for setting options and includiing the Hessian is her...

fast 6 Jahre vor | 0

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