Hi All
I have uploaded the image(*chromosome hierarchy.png*) in JIRA. Here
is the link. Let me know if anyone faces any issues.
https://issues.apache.org/jira/projects/MATH/issues/MATH-1563?filter=allopenissues
Thanks & Regards
--Avijit Basak
On Mon, 22 Nov 2021 at 19:39, Gilles Sadowski <gillese...@gmail.com> wrote:
> Hello.
>
> Le lun. 22 nov. 2021 à 13:47, Avijit Basak <avijit.ba...@gmail.com> a
> écrit :
> >
> > Hi All
> >
> > We need to make a decision on the chromosome hierarchy, proposed
> for commons-math-ga module.
> > Currently the hierarchy is designed as shown in the diagram below.
>
> Image has probably been stripped from your original message.
> Please upload it to JIRA and post a link here.
>
> Thanks,
> Gilles
>
> >
> >
> > Brief description:
> > 1) The chromosome hierarchy is based on it's internal representation of
> Genotype.
> > 2) The phenotype of chromosomes is kept as a Generic parameter <P>.
> > 3) Decoder is introduced to convert Genotype to Phenotype.
> > 4) FitnessFunction is introduced to calculate Fitness of chromosomes.
> > 5) AbstractChromosome represents the chromosome abstraction for all
> genotypes.
> > 6) AbstractListChromosome has been introduced to represent the
> abstraction for List based Genotype.
> > 7) Any chromosome representing list based genotypes should extend
> AbstractListBasedChromosome.
> > 8) All other chromosomes should extend the AbstractChromosome class.
> > 9) BinaryChromosome(not committed) is introduced to represent binary
> genotypes and extends AbstractChromosome.
> >
> > Pros:
> > 1) This hierarchy maintains a separation of Genotype and Phenotype.
> > 2) Chromosome class with the same genotype can represent different
> phenotypes with different implementations of Decoders.
> > 3) Users will be able to use primitive types for higher dimensions by
> extending the AbstractChromosome class.
> > 4) Unlike the legacy model all concrete chromosomes are reusable with
> proper implementation of FitnessFunction and Decoder.
> > 5) Any custom list based genotypes can be implemented by extending
> AbstractListChromosome class.
> > 6) Internal genotype representations have been exposed which enabled the
> reuse of crossover and mutation operators.
> >
> > I would like to request everyone to review the design and reply
> in case of any concerns.
> >
> >
> > Thanks & Regards
> > -- Avijit Basak
>
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>
--
Avijit Basak
