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Latest JEInterface

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This commit is contained in:
Marcel Kronfeld
2008-04-02 12:36:34 +00:00
parent 11258ddbbf
commit 17411d6775
12 changed files with 311 additions and 25 deletions
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65
resources/MatlabInterface/@JEInterface/optimize.m
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@@ -1,18 +1,18 @@
function retInt = optimize(int, optType, varargin)
% Start a JavaEvA optimization run.
% optimize(interface, optType, [, outputFilePrefix ] )
% where
% where
% interface: instance of JEInterface
% optType: integer indicating the type of the optimization strategy
% to use.
% resultFilePrefix: (optional) char prefix for an optional verbose
% output file
if (int.finished == 0)
if (int.finished == 0)
error('please wait for the current run to finish');
end
if ((nargin == 2) || (nargin == 3))
if (nargin == 3)
if (nargin == 3)
outputFilePrefix = varargin{1};
else
outputFilePrefix = 'none';
@@ -27,27 +27,60 @@ if ((nargin == 2) || (nargin == 3))
xTol = int.opts.TolX;
maxEvals = int.opts.MaxFunEvals;
fTol = int.opts.TolFun;
% construct Terminators
import javaeva.server.go.operators.terminators.PhenotypeConvergenceTerminator;
import javaeva.server.go.operators.terminators.FitnessConvergenceTerminator;
import javaeva.server.go.operators.terminators.FitnessConvergenceTerminator;
import javaeva.server.go.operators.terminators.CombinedTerminator;
import javaeva.server.go.operators.terminators.EvaluationTerminator;
import javaeva.OptimizerFactory;
% set some default values if theyre not given
if (isempty(int.opts.TolX)) ; xTol = 1e-4; end
if (isempty(int.opts.TolFun)) ; fTol = 1e-4; end
% fminsearch, for example, always uses TolX and TolFun with default
% values of 1e-4 in . Thats what we do as well
convTerm = CombinedTerminator(FitnessConvergenceTerminator(fTol, int32(5), 0, 1), PhenotypeConvergenceTerminator(xTol, 5, 0, 1), 1);
% if MaxFunEvals is defined additionally, combine an
% EvaluationTerminator in disjunction, as Matlab does.
if (~isempty(maxEvals))
javaeva.OptimizerFactory.setTerminator(convTerm);
javaeva.OptimizerFactory.addTerminator(EvaluationTerminator(maxEvals), 0);
if (isempty(int.opts.TolX)) ; xTol = 1e-4; end
if (isempty(int.opts.TolFun)) ; fTol = 1e-4; end
% construct Terminators
if ((xTol > 0) && (fTol > 0))
% both criteria are given, use combination
convTerm = CombinedTerminator(FitnessConvergenceTerminator(fTol, 100, 1, 1), PhenotypeConvergenceTerminator(xTol, 100, 1, 1), 1);
else if (xTol > 0) % only phenotye convergence
convTerm = PhenotypeConvergenceTerminator(xTol, 100, 1, 1);
else if (fTol > 0 ) % only fitness covnergence
convTerm = FitnessConvergenceTerminator(fTol, 100, 1, 1);
else
convTerm = 'undef'; % signal that there is no terminator yet
end
end
end
int.mp.optimize(optType, outputFilePrefix);
if (ischar(convTerm)) % if no convergence terminator is defined so far, use fitness calls
if (isempty(maxEvals))
error('Error: no termination criterion defined! Please check options.');
% int.opts.MaxFunEvals = OptimizerFactory.getDefaultFitCalls;
% maxEvals = OptimizerFactory.getDefaultFitCalls;
end
convTerm = EvaluationTerminator(maxEvals);
javaeva.OptimizerFactory.setTerminator(convTerm);
else % there is a convergence terminator
javaeva.OptimizerFactory.setTerminator(convTerm); % so set it
if (~isempty(maxEvals))
% if TolX/TolFun plus MaxFunEvals is defined additionally, combine an
% EvaluationTerminator in disjunction, as Matlab does.
javaeva.OptimizerFactory.addTerminator(EvaluationTerminator(maxEvals), 0);
end
end
% set display
if (strcmp(int.opts.Display,'off') || isempty(int.opts.Display))
int.mp.setStatsOutput(0);
elseif (strcmp(int.opts.Display, 'iter'))
int.mp.setStatsOutput(1);
else
error('invalid Display option, only off/iter are recognized');
end
int=runEvalLoopJE(int, 1, optType, outputFilePrefix, -1, -1, -1);
else
error('Wrong number of arguments!')
end