Rev | Line | |
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[37] | 1 | function [exponents,base]=getexponentbase(p,x) |
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| 2 | %GETEXPONENTBASE Internal function used in SOS programs |
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| 3 | |
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| 4 | % Author Johan Löfberg |
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| 5 | % $Id: getexponentbase.m,v 1.9 2006/02/15 21:41:35 joloef Exp $ |
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| 6 | |
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| 7 | if isempty(p) |
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| 8 | exponents=[]; |
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| 9 | base=[]; |
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| 10 | else |
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| 11 | p_vars = getvariables(p); |
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| 12 | x_vars = getvariables(x); |
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| 13 | |
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| 14 | base = getbase(p); |
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| 15 | |
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| 16 | monom_table = yalmip('monomtable'); |
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| 17 | exponents = monom_table(p_vars,x_vars); |
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| 18 | if any(base(:,1))%base(1)~=0 |
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| 19 | exponents = [spalloc(1,size(exponents,2),0);exponents]; |
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| 20 | else |
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| 21 | base = base(:,2:end); |
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| 22 | end |
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| 23 | end |
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