Sender: |
|
Date: |
Sun, 3 Jan 2016 14:07:06 -0500 |
Reply-To: |
|
Subject: |
|
MIME-Version: |
1.0 |
Message-ID: |
|
In-Reply-To: |
|
Content-Type: |
multipart/alternative; boundary=001a11c36dba3b302b052872b81e |
From: |
|
Parts/Attachments: |
|
|
Got it : that means, whatever concept I use, it works as fitness for
selection algorithm?
Thanks a lot.
On Sun, Jan 3, 2016 at 2:02 PM, Sean Luke <[log in to unmask]> wrote:
> Ranking is an nsga2 concept. I suggest you read up on it in Essentials of
> Metaheuristics.
> On Jan 3, 2016 12:35 PM, "BARI, ATM GOLAM" <[log in to unmask]> wrote:
>
> Thanks Sean.
> I forgot to change fitness class name in the parameter. It works by
> changing the appropriate name. I am subclassing MultiobjectiveFitness.java
> and xyz is the child class. Thanks again.
>
> BTW, I had a second asking on ranking vs fitness also. Would you please
> clarify the concept.
>
> -Bari
>
> On Sun, Jan 3, 2016 at 12:34 AM, Sean Luke <[log in to unmask]> wrote:
>
> On Jan 2, 2016, at 11:20 PM, Atm Golam Bari <[log in to unmask]> wrote:
>
> >>> I am using MultiobjectiveFitness.java and
> NSGA2MultiobjectiveFitness.java in my own evaluator as is but renaming
> NSGA2MultiobjectiveFitness to xyz. When I call
> assignFrontRanks(Subpopulation subpop) inside the evluator (same as
> NSGA2Evaluator calls this method), I get ClassCastException Error on the
> line ((xyz)(((Individual)(front.get(ind))).fitness)).rank = rank; I can't
> find the reason. Any clue?
>
> Sound like your fitness object can't be cast to an xyz. This implies that
> it's probably still an NSGA2MultiobjectiveFitness. Did you change what the
> fitness class was in your parameter file?
>
> Why are you renaming MultiobjectiveFitness.java? This is highly
> nonstandard and seems like something that's going to cause a whole heap of
> problems. Why not just subclass it?
>
> Sean
>
>
>
|
|
|