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1 | function sys=islinear(x) |
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2 | %ISLINEAR Check if variable is linear |
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3 | % |
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4 | % p = islinear(X) |
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5 | % |
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6 | % X : SDPVAR object |
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7 | % p : boolean 0/1 |
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8 | |
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9 | % Author Johan Löfberg |
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10 | % $Id: islinear.m,v 1.2 2004/07/02 08:17:29 johanl Exp $ |
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11 | |
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12 | try |
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13 | sys = is(x,'linear'); |
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14 | catch |
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15 | disp('I have messed up something internally in YALMIP. Sorry...') |
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16 | disp('Type yalmip(''clear'') and re-define the problem.'); |
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17 | disp(' ') |
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18 | disp('This problem typically occurs if you have SDPVAR variables in'); |
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19 | disp('work-space, and call a function where you are using ') |
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20 | disp('the command yalmip(''clear''). When control is returned to'); |
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21 | disp('the work-space, things are messed up...'); |
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22 | error('Internal problems in YALMIP'); |
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23 | end |
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