[Tutor] Problems with a Class

[Bob Gailer]

Carlos wrote:
> Hello,
>
> I'm just about to finish my project, but something is causing me 
> trouble. I need to find out how to get some information out of the 
> genetic algorithm that Im using. This algorithm is generating some 
> coordinates for a collection of objects, until now I needed only the 
> final result of the process. But I discovered that the final information 
> is not enough, I need to get some intermediate data to actualize the 
> positions of the objects and then evaluate those positions.
>
> This is the area of the algorith that I think holds the info that I need:
>
> def evolve(self, generations = 100):
>   
>         self.halt_reached = 0
>        
>         for gen in range(generations):
>
>             #Changed.
>             print 'GEN:',gen, self.entities
>            
>             self.do_mutation()
>             self.do_crossover()
>             print "Average fitness generation " + str(gen) + ": " + 
> str(self.avg_fitness())
>             if self.debug == 1:
>                 self.echo_fitness()
>             if self.halt >= 0:
>                 max_entity = self.get_max_fitness()
>                 fit = self.calc_fitness(max_entity)
>                 if fit >= halt:
>                     self.halt_reached = 1
>                     return [max_entity]
>
> The line marked as #Changed is what I changed,  with this I was able to 
> print the info, but I'm sorry to say that I have no clue at how to apply 
> something like return() that would give me this self.entities list. As 
> you can see there is a for loop and I need the info every time that it 
> gets updated by the loop.
>
> Hopefully I'm making myself clear and the info is enough.
>   
Unfortunately, no. I for one can't interpret "I need the info every time 
that it gets updated by the loop".

-- 
Bob Gailer
510-978-4454