49 lines
1.8 KiB
Mathematica
49 lines
1.8 KiB
Mathematica
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function varargout = log2(varargin)
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%LOG2 (overloaded)
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switch class(varargin{1})
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case 'double' % What is the numerical value of this argument (needed for displays etc)
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% SHOULD NEVER HAPPEN, THIS SHOULD BE CAUGHT BY BUILT-IN
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error('Overloaded SDPVAR/NORM CALLED WITH DOUBLE. Report error')
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case 'sdpvar' % Overloaded operator for SDPVAR objects.
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if length(varargin{1}) == 1
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varargout{1} = yalmip('addEvalVariable',mfilename,varargin{1});
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else
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y = [];
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for i = 1:length(varargin{1})
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y = [y;yalmip('addEvalVariable',mfilename,extsubsref(varargin{1},i))];
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end
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varargout{1} = y;
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end
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case 'char' % YALMIP sends 'model' when it wants the epigraph or hypograph
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switch varargin{1}
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case 'graph'
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t = varargin{2};
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X = varargin{3};
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% This is different from so called extended operators
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% Just do it!
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F = SetupEvaluationVariable(varargin{:});
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% Now add your own code, such as domain constraints
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F = F + (X >= 0);
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% Let YALMIP know about convexity etc
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varargout{1} = F;
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varargout{2} = struct('convexity','concave','monotonicity','increasing','definiteness','none');
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varargout{3} = X;
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case 'milp'
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varargout{1} = [];
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varargout{2} = [];
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varargout{3} = [];
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otherwise
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error('SDPVAR/LOG called with CHAR argument?');
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end
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otherwise
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error('SDPVAR/LOG called with CHAR argument?');
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end
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