[37] | 1 | function varargout = pow10(varargin) |
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| 2 | %POW10 (overloaded) |
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| 3 | |
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| 4 | % Author Johan Löfberg |
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| 5 | % $Id: pow10.m,v 1.1 2006/05/12 07:55:52 joloef Exp $ |
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| 6 | |
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| 7 | switch class(varargin{1}) |
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| 8 | |
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| 9 | case 'double' % What is the numerical value of this argument (needed for displays etc) |
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| 10 | % SHOULD NEVER HAPPEN, THIS SHOULD BE CAUGHT BY BUILT-IN |
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| 11 | varargout = 10.^varargin{1}; |
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| 12 | |
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| 13 | case 'sdpvar' % Overloaded operator for SDPVAR objects. Pass on args and save them. |
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| 14 | if length(varargin{1}) == 1 |
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| 15 | varargout{1} = yalmip('addEvalVariable',mfilename,varargin{1}); |
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| 16 | else |
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| 17 | y = []; |
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| 18 | for i = 1:length(varargin{1}) |
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| 19 | y = [y;yalmip('addEvalVariable',mfilename,extsubsref(varargin{1},i))]; |
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| 20 | end |
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| 21 | varargout{1} = y; |
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| 22 | end |
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| 23 | |
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| 24 | case 'char' % YALMIP sends 'model' when it wants the epigraph or hypograph |
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| 25 | switch varargin{1} |
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| 26 | case 'graph' |
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| 27 | t = varargin{2}; |
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| 28 | X = varargin{3}; |
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| 29 | |
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| 30 | % This is different from so called extended operators |
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| 31 | % Just do it! |
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| 32 | F = SetupEvaluationVariable(varargin{:}); |
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| 33 | |
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| 34 | % Now add your own code, such as domain constraints. |
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| 35 | % Exponential does not need any domain constraint. |
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| 36 | |
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| 37 | % Let YALMIP know about convexity etc |
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| 38 | varargout{1} = F; |
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| 39 | varargout{2} = struct('convexity','convex','monotonicity','increasing','definiteness','positive'); |
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| 40 | varargout{3} = X; |
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| 41 | |
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| 42 | case 'milp' |
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| 43 | varargout{1} = []; |
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| 44 | varargout{2} = []; |
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| 45 | varargout{3} = []; |
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| 46 | otherwise |
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| 47 | error('SDPVAR/EXP called with CHAR argument?'); |
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| 48 | end |
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| 49 | otherwise |
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| 50 | error('SDPVAR/EXP called with CHAR argument?'); |
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| 51 | end |
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