Rev | Line | |
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[37] | 1 | function varargout=size(varargin) |
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| 2 | %size Returns the number of inequalities and equalities |
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| 3 | % |
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| 4 | % n = SIZE(F) Returns the number of inequalities |
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| 5 | % [n,m] = SIZE(F) Returns the number of inequalities and equalities |
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| 6 | % |
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| 7 | % See also LMI, ADDLMI |
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| 8 | |
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| 9 | % Author Johan Löfberg |
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| 10 | % $Id: size.m,v 1.3 2005/02/04 10:10:27 johanl Exp $ |
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| 11 | |
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| 12 | F = varargin{1}; |
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| 13 | nequ = 0; |
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| 14 | nlmi = 0; |
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| 15 | for i = 1:size(F.clauses,2) |
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| 16 | if F.clauses{i}.type==3 |
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| 17 | nequ = nequ + 1; |
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| 18 | else |
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| 19 | nlmi = nlmi + 1; |
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| 20 | end |
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| 21 | end |
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| 22 | |
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| 23 | if nargin == 1 |
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| 24 | switch (nargout) |
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| 25 | case {0,1} |
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| 26 | varargout{1} = nlmi; |
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| 27 | case 2 |
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| 28 | varargout{1} = nlmi; |
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| 29 | varargout{2} = nequ; |
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| 30 | otherwise |
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| 31 | error('>2 outputs in size?'); |
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| 32 | end |
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| 33 | else |
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| 34 | switch(varargin{2}) |
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| 35 | case 1 |
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| 36 | varargout{1} = nlmi; |
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| 37 | case 2 |
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| 38 | varargout{1} = nequ; |
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| 39 | otherwise |
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| 40 | error('Second argument should be 1 (# LMIs) or 2 (# equalities)'); |
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| 41 | end |
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| 42 | end |
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