optimization code with pso

Hello all

please how can i use pso to optimize the following objective functions

MIN f1=sum(x)

MAX f2=1/n *sum(x)

where x is an 1D vector and n is length ot it

thansk you

Answer 1

[John D'Errico]

You can't optimize two things at once, unless they both happen to be optimal at the same location. However, you can try to optimize something like

f3 = f1(x) - f2(x)

minimizing the combination of the two. The result won't be optimal for either of the individual pieces, but as I said, you can't do that.

In some cases, you may need to fine tune the linear combination of objectives, thus weighting one or the other of them more highly, so if they have very different scalings, this will be important.

As far as using PSO, that is your problem. You should already know how to use the PSO tool. If not, then you need to read the documentation.

[sahar adil]

thanks for your answer , i dont main optimize the tio functions at same time each function alone

i read about it but never understand what number of varibles mean !!

my problem is that i have vector of data one need find min solution second find max, solution

[younes youyou]

can you give me your email i want to text you ?