Rakesh Kumar

Last seen: 9 Monate vor | Aktiv seit 2011

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Beantwortet
Can I restart surrogateopt from earlier iterations with checkpoint file?
I don't think of any easy way to do this.

fast 3 Jahre vor | 2

Beantwortet
Optimization using parallel-computing is returning optimized vector that does not match the reward provided.
Hi Aaron, Optimization solvers often does not work with "UseParallel == true" option when a Simulink model is part of objective...

etwa 3 Jahre vor | 3

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Beantwortet
Is it possible to impose custom conditions for an early surrogate reset?
Hi James, Surrogateopt reset criteria depends on the "expected reduction of objective function value" assuming the incumbent is...

etwa 5 Jahre vor | 0

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Beantwortet
GA error due to boxdirections
Before running your code, please issue this command (so MATLAB wil stop where an error is thrown) dbstop if error MATLAB will ...

mehr als 5 Jahre vor | 0

Beantwortet
Unexpected Change in Population Diversity of Genetic Algorithm
Hi David, The behavior is strange. It would be great to have a reproduction script if you can share since this behavior is on a...

mehr als 5 Jahre vor | 0

Beantwortet
Please could I have more detail on the 'quasirandom' sequence in surrogateopt?
Please take a look at this doc page (section Definitions for Surrogate Optimization) https://www.mathworks.com/help/gads/surrog...

etwa 6 Jahre vor | 0

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Does using global variables in objective function risk error when using ga in parallel?
Every worker will have its own copy of the global variable not in sync with other workers. Its global for all the M-files on a w...

fast 11 Jahre vor | 1

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Patternsearchw with genetic algorithm
Hi Grzegorz, Thanks for posting this issue; it is a bug. The only workaround I can see is to change the code and compare nargin...

etwa 12 Jahre vor | 0

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Beantwortet
Slacktol value ?
First suggestion is to use the newer algorithm added in 11a if you can. The warning message I get should be fixed (easy to f...

mehr als 14 Jahre vor | 0

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Beantwortet
mesh size change in patternsearch
The trial points are probably infeasible with that big mesh size; hence no function evaluation.

fast 15 Jahre vor | 1

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How to get alternative solutions to a linear programming problem using linprog?
Why do you think there won't be a unique solution? When you have a linear objective (bounded) and constraints are linear (and bo...

etwa 15 Jahre vor | 1

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quadprog vs fmincon
Have you looked at fmincon 'interior-point' algorithm option? Here is a snippet of help from this algorithm W = HessMultFcn(x...

etwa 15 Jahre vor | 1

Beantwortet
Optimization of function described in standalone code
You will have to create a C++ file (which is called MEX in MATLAB environment) that can be called directly from MATLAB. See some...

etwa 15 Jahre vor | 0

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