[37] | 1 | function YESNO = is(F,property) |
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| 2 | %IS Check property of constraint. |
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| 3 | % d = IS(x,property) returns 1 if 'property' holds |
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| 4 | % |
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| 5 | % Properties possible to test are: 'elementwise', 'sdp', |
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| 6 | % 'socc', 'equality', 'lmi', 'linear', 'kyp', 'sos' |
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| 7 | |
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| 8 | % Author Johan Löfberg |
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| 9 | % $Id: is.m,v 1.16 2006/08/08 12:37:01 joloef Exp $ |
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| 10 | |
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| 11 | if isempty(F.clauses) |
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| 12 | YESNO = 0; |
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| 13 | else |
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| 14 | % for i = 1:length(F.clauses) |
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| 15 | % Fi = F.clauses{i}; |
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| 16 | YESNO=zeros(length(F.clauses),1); |
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| 17 | switch property |
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| 18 | case 'equality' |
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| 19 | for i = 1:length(F.clauses) |
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| 20 | Fi = F.clauses{i}; |
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| 21 | YESNO(i,1) = (Fi.type==3); |
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| 22 | end |
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| 23 | case {'element-wise','elementwise'} |
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| 24 | for i = 1:length(F.clauses) |
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| 25 | Fi = F.clauses{i}; |
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| 26 | YESNO(i,1) = (Fi.type==2); |
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| 27 | end |
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| 28 | case {'socc','socp'} |
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| 29 | for i = 1:length(F.clauses) |
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| 30 | Fi = F.clauses{i}; |
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| 31 | YESNO(i,1) = (Fi.type==4); |
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| 32 | end |
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| 33 | case 'sdp' |
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| 34 | for i = 1:length(F.clauses) |
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| 35 | Fi = F.clauses{i}; |
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| 36 | YESNO(i,1) = Fi.type==1; |
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| 37 | end |
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| 38 | case 'lmi' |
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| 39 | for i = 1:length(F.clauses) |
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| 40 | Fi = F.clauses{i}; |
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| 41 | YESNO(i,1) = full((((Fi.type==1) | (Fi.type==9)) | ((Fi.type==2) & (prod(size(Fi.data))==1))) & (islinear(Fi.data))); |
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| 42 | end |
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| 43 | case 'linear' |
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| 44 | for i = 1:length(F.clauses) |
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| 45 | Fi = F.clauses{i}; |
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| 46 | YESNO(i,1) = islinear(Fi.data); |
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| 47 | end |
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| 48 | case 'kyp' |
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| 49 | for i = 1:length(F.clauses) |
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| 50 | Fi = F.clauses{i}; |
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| 51 | YESNO(i,1) = (Fi.type==9); |
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| 52 | end |
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| 53 | case 'sos' |
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| 54 | for i = 1:length(F.clauses) |
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| 55 | Fi = F.clauses{i}; |
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| 56 | YESNO(i,1) = (Fi.type==11); |
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| 57 | end |
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| 58 | case 'eig' |
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| 59 | YESNO(i,1) = (Fi.type==10); |
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| 60 | case 'sigmonial' |
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| 61 | for i = 1:length(F.clauses) |
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| 62 | Fi = F.clauses{i}; |
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| 63 | monomtable = yalmip('monomtable'); |
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| 64 | monomtable = monomtable(getvariables(Fi.data),:); |
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| 65 | YESNO(i,1) = any(find(any(0>monomtable,2) | any(monomtable-fix(monomtable),2))); |
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| 66 | end |
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| 67 | case 'binary' |
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| 68 | for i = 1:length(F.clauses) |
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| 69 | Fi = F.clauses{i}; |
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| 70 | YESNO(i,1) = Fi.type == 8; |
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| 71 | end |
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| 72 | case 'integer' |
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| 73 | for i = 1:length(F.clauses) |
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| 74 | Fi = F.clauses{i}; |
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| 75 | YESNO(i,1) = Fi.type == 7; |
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| 76 | end |
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| 77 | case 'parametric' |
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| 78 | for i = 1:length(F.clauses) |
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| 79 | Fi = F.clauses{i}; |
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| 80 | YESNO(i,1) = Fi.type == 13; |
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| 81 | end |
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| 82 | case 'uncertain' |
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| 83 | for i = 1:length(F.clauses) |
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| 84 | Fi = F.clauses{i}; |
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| 85 | YESNO(i,1) = Fi.type == 15; |
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| 86 | end |
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| 87 | |
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| 88 | case 'logic' |
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| 89 | allextvars = yalmip('extvariables'); |
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| 90 | if isempty(allextvars) |
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| 91 | YESNO(i,1) = 0; |
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| 92 | else |
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| 93 | for i = 1:length(F.clauses) |
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| 94 | Fi = F.clauses{i}; |
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| 95 | xi = getvariables(Fi.data); |
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| 96 | lgc = find(ismembc(xi,allextvars)); |
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| 97 | if ~isempty(lgc) |
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| 98 | for j = lgc |
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| 99 | variable = xi(j); |
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| 100 | extstruct = yalmip('extstruct',11); |
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| 101 | if isequal(extstruct.fcn,'or') | isequal(extstruct.fcn,'and') |
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| 102 | YESNO(i,1) = 1; |
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| 103 | break |
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| 104 | end |
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| 105 | end |
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| 106 | end |
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| 107 | end |
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| 108 | end |
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| 109 | case 'lowrank' |
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| 110 | YESNO(i,1) = Fi.type == 14; |
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| 111 | case 'complex' |
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| 112 | for i = 1:length(F.clauses) |
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| 113 | Fi = F.clauses{i}; |
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| 114 | YESNO(i,1) = is(Fi.data,'complex'); |
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| 115 | end |
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| 116 | case 'real' |
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| 117 | for i = 1:length(F.clauses) |
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| 118 | Fi = F.clauses{i}; |
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| 119 | YESNO(i,1) = is(Fi.data,'real'); |
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| 120 | end |
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| 121 | otherwise |
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| 122 | YESNO = error('Huh?'); |
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| 123 | end |
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| 124 | % end |
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| 125 | end |
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| 126 | |
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| 127 | YESNO = full(YESNO); |
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