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[37] | 1 | function pnew = degreduce(p,d) |
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| 2 | % DEGREDUCE Remove higher order terms |
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| 3 | |
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| 4 | % Author Johan Löfberg |
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| 5 | % $Id: degreduce.m,v 1.1 2006/08/10 18:00:19 joloef Exp $ |
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| 6 | |
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| 7 | if islinear(p) |
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| 8 | pnew = p; |
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| 9 | else |
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| 10 | [sqrList,CompressedList] = yalmip('nonlinearvariables'); |
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| 11 | |
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| 12 | base = getbase(p); |
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| 13 | vars = getvariables(p); |
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| 14 | |
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| 15 | for i = 1:length(vars) |
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| 16 | v = vars(i); |
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| 17 | if ismember(v,CompressedList(:,1)) |
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| 18 | j = find(CompressedList(:,1)==v); |
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| 19 | if sum(any(CompressedList(j,2:end),1))>d |
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| 20 | base(i+1)=0; |
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| 21 | end |
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| 22 | end |
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| 23 | end |
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| 24 | pnew = clean(sdpvar(1,1,[],vars,base)); |
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| 25 | |
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| 26 | end |
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