Beefy Boxes and Bandwidth Generously Provided by pair Networks
Do you know where your variables are?

Re^5: Travelling problem (Anyone better 86850?)

by BrowserUk (Pope)
on Dec 23, 2013 at 16:11 UTC ( #1068211=note: print w/replies, xml ) Need Help??

in reply to Re^4: Travelling problem (Anyone better 86850?)
in thread Travelling problem

How would you choose those 'radical variations'?

I haven't found a good method yet. So far I've tried:

  • Swapping pairs of nodes for the top N so far.
  • Shuffling the nodes between two random points for the top N so far.
  • Reversing the nodes between two random picks for the top N so far.
  • Adding N new totally random shuffles to the set being evolved.

None of these seems to prevent the local minima phenomena.

The best approach I've found is once the top N stop changing; throw them all away (remembering the best 1) and start over with a completely new set of random picks.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
  • Comment on Re^5: Travelling problem (Anyone better 86850?)

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1068211]
and all is quiet...

How do I use this? | Other CB clients
Other Users?
Others drinking their drinks and smoking their pipes about the Monastery: (7)
As of 2018-05-22 20:03 GMT
Find Nodes?
    Voting Booth?