Rev | Line | |
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[37] | 1 | function LinearVariables = depends(x) |
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| 2 | %DEPENDS Returns indicies to variables used in an SDPVAR object |
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| 3 | % |
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| 4 | % i = depends(x) |
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| 5 | % |
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| 6 | % Input |
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| 7 | % x : SDPVAR object |
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| 8 | % Output |
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| 9 | % i : DOUBLE |
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| 10 | |
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| 11 | % Author Johan Löfberg |
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| 12 | % $Id: depends.m,v 1.2 2006/08/11 11:48:15 joloef Exp $ |
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| 13 | |
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| 14 | [mt,variabletype] = yalmip('monomtable'); |
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| 15 | ncv = yalmip('nonCommutingTable'); |
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| 16 | |
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| 17 | % Simple linear cases |
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| 18 | if ~any(variabletype(x.lmi_variables)) |
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| 19 | LinearVariables = x.lmi_variables; |
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| 20 | else |
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| 21 | LinearVariables = []; |
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| 22 | for i = 1:length(x.lmi_variables) |
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| 23 | v = x.lmi_variables(i); |
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| 24 | if any(mt(v,:)) |
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| 25 | LinearVariables = [LinearVariables find(mt(v,:))]; |
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| 26 | else |
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| 27 | LinearVariables = [LinearVariables ncv(v,1+find(ncv(v,2:end)))]; |
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| 28 | if ~isnan(ncv(v,1)) |
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| 29 | v = ncv(v,1); |
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| 30 | LinearVariables = [LinearVariables find(mt(v,:))]; |
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| 31 | end |
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| 32 | end |
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| 33 | end |
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| 34 | end |
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| 35 | LinearVariables = unique(LinearVariables); |
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