[scilab-Users] Help with function init_func_default - genetic algorithms

[Michaël Baudin]

Oups, forgot to paste the link :

http://bugzilla.scilab.org/show_bug.cgi?id=7704

Best regards,

Michaël

Michaël Baudin a écrit :
> Dear Marcelo,
>
> I posted a bug fix for the help page of the init_ga_default function.
> You will find the example :
>
> // Generate 10 points in 2 dimensions, in the
> // interval [-2,2]^2.
> popsize = 10;
> ga_params = init_param();
> ga_params = add_param(ga_params,"minbound",[-2; -2]);
> ga_params = add_param(ga_params,"maxbound",[2; 2]);
> ga_params = add_param(ga_params,"dimension",2);
> Pop_init = init_ga_default(popsize,ga_params);
> for k = 1 : popsize
>  x = Pop_init(k);
>  xstr = strcat(string(x)," ");
>  mprintf("x[%d]=[%s]\n",k,xstr);
> end
>
> An example is missing in the optim_ga function help page, which
> shows how to customize the initial population generator function.
> I work on this and let you know about this in some minutes.
>
> Best regards,
>
> Michaël
>
>
> Marcelo Menezes Reis a écrit :
>> Greetings
>>
>> I have been trying to develop a genetic algorithm in Scilab. I intend 
>> to use binary coding. But, I am experiencing some problems with 
>> function *init_func_default*. In help file I found:
>>
>>
>>       Calling Sequence
>>
>>     Pop_init = init_func_default(popsize,param)
>>
>>       Parameters
>>
>>     * *popsize* : the number of individuals to generate.
>>     * *param* : a list of parameters. - 'dimension': the size of the
>>       vector X. - 'minbound': a vector of minimum bounds for the
>>       variable X. - 'maxbound': a vector of maximum bounds for the
>>       variable X.
>>     * *Pop_init* : a list which contains the initial population of
>>       individuals.
>>
>> I don´t know how to put in  "param"  the list  dimension, minbound 
>> and  maxbound.  Can you help me with  that?
>> -- 
>> Marcelo Menezes Reis, Dr.Eng.
>> Professor Adjunto - Adjunct Professor
>> Departamento de Informática e Estatística Department of Computer 
>> Science and Statistics
>> Universidade Federal de Santa Catarina
>> http://www.inf.ufsc.br/~marcelo/
>> _____________________________________________
>>   
>
>


-- 
Michaël Baudin
Ingénieur de développement
michael.baudin at scilab.org
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