Line | |
---|
1 | function LU = getbounds(F) |
---|
2 | |
---|
3 | K.f = 0; |
---|
4 | K.l = 0; |
---|
5 | L = []; |
---|
6 | U = []; |
---|
7 | LU = yalmip('getbounds',1:yalmip('nvars')); |
---|
8 | for i = 1:length(F.clauses) |
---|
9 | if F.clauses{i}.type == 2 |
---|
10 | X = F.clauses{i}.data; |
---|
11 | AB = getbase(X); |
---|
12 | K.l = prod(size(X)); |
---|
13 | variables = getvariables(X); |
---|
14 | [lb,ub,cand_rows] = findulb(AB,K); |
---|
15 | LU(variables,1) = max([lb LU(variables,1)]')'; |
---|
16 | LU(variables,2) = min([ub LU(variables,2)]')'; |
---|
17 | elseif F.clauses{i}.type == 3 |
---|
18 | % FIX : Extract from equalities and binary constraints |
---|
19 | end |
---|
20 | end |
---|
21 | |
---|
22 | binary = yalmip('binvariables'); |
---|
23 | LU(binary,1) = 0; |
---|
24 | LU(binary,2) = 1; |
---|
25 | |
---|
26 | % Try to bound some nonlinear terms |
---|
27 | % FIX: complete code |
---|
28 | [mt,variable_type] = yalmip('monomtable'); |
---|
29 | quadratic = find(variable_type == 2); |
---|
30 | if ~isempty(quadratic) |
---|
31 | M = mt(quadratic,:); |
---|
32 | for i = 1:size(M,1) |
---|
33 | [ii,jj] = find(M(i,:)); |
---|
34 | if length(ii) == 1 |
---|
35 | LU(quadratic(i),1) = min([0 LU(jj,1)^2]); |
---|
36 | LU(quadratic(i),2) = max([LU(jj,1)^2 LU(jj,2)^2]); |
---|
37 | end |
---|
38 | end |
---|
39 | end |
---|
Note: See
TracBrowser
for help on using the repository browser.