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Cannot Connect to Local Redis Instance: Invalid Host Name "localhost"

I encountered this same message, for me the problem was that my /etc/hosts file on MacOS had been modified when I did some work ...

8 månader ago | 0

Optimizing FLC with GA

Hi Michael, Here's an <http://www.mathworks.com/help/gads/examples/coding-and-minimizing-a-fitness-function-using-the-genetic...

ungefär 9 år ago | 0

how can i solved mixed integer linear programming using genetic algorithm in matlab

If your objective function and constraints are linear, I highly recommend using the mixed-integer linear programming solver in O...

mer än 9 år ago | 0

how to implement MILP in matlab

As of R2014a, Optimization Toolbox has a mixed-integer linear programming solver: <http://www.mathworks.com/help/optim/ug/intli...

mer än 9 år ago | 0

| accepted

Numerical packing

Seeing how Optimization Toolbox has a mixed-integer solver in R2014a, I figured I would post this alternate solution that uses <...

mer än 9 år ago | 3

simultaneous linear equations minimization by linprog command

The summation of the variables being equal to a constant could be taken care of by an equality constraint. In that case, your A...

mer än 9 år ago | 0

I'm trying to write a bit of user friendly code where the user is prompted to enter file names and the names will be stored in an array. However, I keep getting errors. Can someone fix this code below?

Two things that I think will help: 1) Use a cell array to store the names of the files rather than an array. This will be ea...

ungefär 10 år ago | 0

| accepted

How do I find all the positive roots of (e^(-.2x ))(cos(2x))-.15x^2+1

2 things: 1) fzero is designed to find a single zero at a time. You will need to loop through each value for x0 and record the ...

mer än 10 år ago | 0

Genetic Algorithm - Plotting fitness values

PlotFcns needs to be passed in as an option for ga: problem.options.PlotFcns = @gaplotbestf;

mer än 10 år ago | 1

| accepted

export m-file with fmincon to C-Code for PowerPC

Hi Daniel, Generating C-Code from MATLAB code that includes optimization solvers such as fmincon is currently not supported. ...

mer än 10 år ago | 0

| accepted

Nonlinear fit to multiple data sets with shared parameters

So if I understand correctly, you want to fit tau1, tau2, tau3 to all the data, but the other parameters are fit on an individua...

nästan 11 år ago | 0

Plotyy - Managing the colors of y-labels

For (1) you can set the YColor property of each of the axes, for example: set(AX(1),'YColor','k'); For (2), if you just ...

nästan 11 år ago | 1

| accepted

Solve Non Linear Equations using fsolve

From what I can tell this problem has 1600 equations and only 4 unknowns, which would mean it is overdetermined and likely doesn...

ungefär 11 år ago | 1

how can I change symbols in symbolic equations with x(1), x(2), ...

I believe the _matlabFunction_ function is what you are looking for: <http://www.mathworks.com/help/toolbox/symbolic/matlabfu...

ungefär 11 år ago | 0

matlab2012a vs matlab20111b. Why does the latter produces an error message?

I think the cause here is that fminunc was updated in R2012a to attempt to recover when the objective function returns NaN or In...

ungefär 11 år ago | 2

| accepted

How to fit parameters in an m.file to a curve?

Take a look at lsqcurvefit from the Optimization Toolbox. <http://www.mathworks.com/help/toolbox/optim/ug/lsqcurvefit.html>...

ungefär 11 år ago | 0

| accepted

A very simple question for GA

It looks like there is an issue with the way your decision variables are defined. The input to the objective function (which is...

mer än 11 år ago | 0

| accepted

Genetic Algorithm - weights ensemble optimization

Hi Michiel, If you aren't 100% set on using a Genetic Algorithm, I recommend starting with a gradient-based optimization solver...

mer än 11 år ago | 0

Optimization in LinProg

Hi Meemai, The message "Optimization Terminated" means that the optimization completed as normal. If you look at the value o...

mer än 11 år ago | 2

| accepted

Optimization Toolbox - Choosing a Solver

Hi Norbert, Since your decision variable shift will need to be an integer (it's being used as an index), you would need to use ...

mer än 11 år ago | 1

matrix inside a matrix

The REPMAT and DIAG commands should be able to do what you need: A = repmat([3;4;5],5,1) B = diag(A,0) Check out the ...

mer än 11 år ago | 0

| accepted

Mixed integer optimisation with genetic algorithm problem

Hi Calen, The GA solver uses a penalty function when optimizing mixed-integer problems. The penalty function takes into accoun...

mer än 11 år ago | 0

How can I save the settings of fsolve in the optimization tool ?

You can create an options structure in your MATLAB function and then pass that structure to FSOLVE. The options structure is cre...

mer än 11 år ago | 1

| accepted

OUT OF MEMORY

This looks like it might help: <http://www.mathworks.com/products/image/description7.html>

mer än 11 år ago | 1

| accepted

Optimization Technique

If you're trying to minimize or maximize Y, and Y is a scalar, I'd recommend trying <http://www.mathworks.com/help/toolbox/optim...

mer än 11 år ago | 0

| accepted

Lsqcurvefit on function depending on syms

Hi Gustav, You'll first need to use the matlabFunction command to convert the symbolic equation into a MATLAB function handle...

mer än 11 år ago | 0

| accepted

Solving overdeterminated linear equation system with specified conditions

Hi Thomas, If you have the Optimization Toolbox, LSQLIN can solve constrained least-squares problems: <http://www.mathworks.com...

mer än 11 år ago | 1

| accepted

Optimization: share additional output of cost function with constraint function

There was a good discussion on this issue here: <http://www.mathworks.com/matlabcentral/newsreader/view_thread/269936> The te...

mer än 11 år ago | 1

| accepted

How to use the OutputFcns function in the optimset options?

<http://www.mathworks.com/help/techdoc/math/bsgpq6p-23.html>

mer än 11 år ago | 0

For LSQNONLIN is it okay if the number of elements in the vector-valued function varies per iteration?

Hi Kevin, LSQNONLIN is using the values in the Fopt vector to determine the gradient, and it does this by calculating Fopt at...

mer än 11 år ago | 2

| accepted