cma_tell - deliver function values to cma minimizer

Calling Sequence

es = cma_tell(es,X,arfitness)

es = %cma_tell(es,X,arfitness) // the same

Parameters

• es cma object
• X list of lambda column vectors of the search space
• arfitness vector of objective (cost) function values, such that arfitness(i) = cost_function(X(i))
• es updated cma object

Description

cma_tell() concludes the iteration for the cma object and updates all distribution parameters for the next iteration step.

Examples

  param.x0 = ones(8,1);
  param.sigma0 = 0.5; 
  es = cma_new(param);  
  while ~ cma_stop(es) // es.out.stopflags is empty
    X = cma_ask(es);   // returns a list of lambda column vectors
    y = [];
    for i = 1:length(X)
      y(i) = costf(X(i)); // costf needs to be defined 
    end
    es = cma_tell(es, X, y');
  end
  

See Also

cma_new ,   cma_ask ,   cma_plot ,   cma_optim ,  

Authors

Nikolaus Hansen

Bibliography

Used Function