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how to set intlinprog options

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Standardtrickyness
评论： Alan Weiss 2015-9-2
how to set intlinprog options to increase options.maxnodes I've tried both
options=optimoptions('intlinprog') ;
options.MaxNodes=10^16;
and
optimoptions('intlinprog','MaxNodes',10^16);
intcon= zeros(34,1);
for i= 1 : 34
intcon(i,1)=25+i;
end
D = [ DDD ; eye(25), zeros(25,34); -eye(25), zeros(25,34) ] ;
f= [zeros(25,1) ; g ; -1 ] ;
b=[zeros(33,1); [1-0.0001 ] ; ones(25,1); ones(25,1) ] ;
options=optimoptions('intlinprog') ;
options.MaxNodes=10^16;
optimoptions('intlinprog','MaxNodes',10^16);
w = intlinprog(-f,intcon,D,b) ;
However, when I run my code the program keeps setting options.maxnodes to 10^8
Intlinprog stopped because it reached the maximum number of nodes,
options.MaxNodes = 10000000 (the default value).

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回答（1 个）

Matt J
Matt J 2015-9-2
You define "options", but never pass it to intlinprog.
  5 个评论
显示 3更早的评论
Walter Roberson
Walter Roberson 2015-9-2
编辑：Walter Roberson 2015-9-2
It creates an options structure using typical options for intlinprog and then setting MaxNodes to 10^16 in that structure.
Alan Weiss
Alan Weiss 2015-9-2
As the release notes for R2014a state, you cannot use the Optimization app with intlinprog. Sorry.
Alan Weiss
MATLAB mathematical toolbox documentation

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