Rev | Line | |
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[37] | 1 | function F = replace(F,X,W) |
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| 2 | %REPLACE Substitutes variables in a SET object |
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| 3 | % |
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| 4 | %Z = REPLACE(F,X,W) Replaces any occurence of the SDPVAR object Y |
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| 5 | % in the SDPVAR object X with the double W |
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| 6 | % |
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| 7 | % Example |
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| 8 | % x = sdpvar(1,1); |
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| 9 | % t = sdpvar(1,1); |
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| 10 | % F = set([1+t;1+x+t] > 0); |
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| 11 | % F = replace(F,x,2) generates F=set([1+t;3+t] > 0) |
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| 12 | |
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| 13 | if prod(size(W)) == 1 |
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| 14 | W = repmat(W,size(X)); |
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| 15 | end |
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| 16 | |
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| 17 | keep = []; |
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| 18 | |
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| 19 | for i = 1:length(F.clauses) |
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| 20 | F.clauses{i}.data = replace(F.clauses{i}.data,X,W); |
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| 21 | if isempty(F.clauses{i}.data) | isa(F.clauses{i}.data,'double') |
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| 22 | keep(i)=0; |
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| 23 | else |
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| 24 | keep(i)=1; |
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| 25 | end |
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| 26 | end |
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| 27 | |
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| 28 | F.clauses = {F.clauses{find(keep)}}; |
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| 29 | |
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| 30 | % Get new identifiers |
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| 31 | F.LMIid = []; |
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| 32 | for i = 1:length(F.clauses) |
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| 33 | F.LMIid = [F.LMIid yalmip('lmiid')]; |
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| 34 | end |
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