70 lines
2.1 KiB
Matlab
70 lines
2.1 KiB
Matlab
function int = JEInterface(interfaceName, fhandle, range, varargin)
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% JavaEva Interface for Matlab
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% JEInterface(interfaceName, fhandle, range [, optset, defaultargs])
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% arguments:
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% interfaceName: a JEInterface instance needs to know its own
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% name as a String to allow callbacks from Java.
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% fhandle: a function handle defining the optimization target.
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% range: a 2 x dim array defining the solution subspace with lower and
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% upper bounds.
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% optset: (optional) an optimset struct defining optimization parameters,
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% especially tolerance and maximum function calls. Defaults to the
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% JavaEvA default values.
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% defaultArgs: (optional) additional constant argument to the target
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% function, empty by default.
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int.args = [];
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int.opts = optimset('MaxFunEvals', javaeva.OptimizerFactory.getDefaultFitCalls, 'TolX', 1e-4, 'TolFun', 1e-4);
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int.finished = 1;
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int.result = [];
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int.callback='';
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int.f = '';
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int.dim = 0;
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int.range = [];
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int.mp = [];
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int.msg = '';
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int.funCalls = 0;
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if (isa(interfaceName, 'char'));
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int.callback = interfaceName;
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else
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error('Wrong first argument type, expected char');
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end
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if (isa(fhandle, 'function_handle'))
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int.f = fhandle;
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else
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error('Wrong second argument type, expected function_handle');
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end
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if (isa(range, 'double') && (size(range,1) == 2))
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int.dim=length(range);
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int.range=transpose(range);
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else
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error('Wrong third argument type, expected double array of 2 x dim');
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end
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int = class(int,'JEInterface');
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switch nargin
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case {3}
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case {4,5}
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if (isa(varargin{1}, 'struct'))
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int.opts = varargin{1};
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if (isempty(int.opts.TolX)) ; int.opts.TolX = 1e-4; end
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if (isempty(int.opts.TolFun)) ; int.opts.TolFun = 1e-4; end
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else
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error('Wrong fifth argument type, expected optimset struct');
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end
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if (nargin > 4)
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int.args = varargin{2};
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end
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otherwise
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error('Wrong number of arguments!')
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end
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% finally create the java object
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int.mp = javaeva.server.go.problems.MatlabProblem(int.callback, int.dim, int.range);
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