Issue with paretosearch optimisation

Question

salvor 2019-6-30

0
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https://ww2.mathworks.cn/matlabcentral/answers/469565-issue-with-paretosearch-optimisation

回答： Matt J 2019-7-1

Good afternoon everyone,

I am running a MultiObjective Optimisation with Matlab using the Paretosearch algorithm. After 7 iterations, the optimisation stops as an error comes up regarding the dimensions of the fitness function. First, I don't understand why this error comes up after 7 iterations and not at the beginning. I am quite sure the fitness function is correct as I used it with other optimisation algorithms (gamultiobj) and it worked.

In addition, I don't know if this is connected with the error above but when I look at the results of each iteration once the optimisation has stopped, I have NaN for averagedistance and spread.

Could you please me suggest how it is best to proceed to solve this issue?

Thank you

Salvatore