Force linprog to use simplex method

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Simo
Simo 2014-5-31
编辑： Matt J 2014-6-1
Hi everyone,
I want linprog to use simplex method, but when I check the output I still see that it uses the default method (Interior point).
This my code:
f=[];
A=[-1 -1 -0.94
1 1 0.94
-1 -1 -0.54
1 1 0.54
-1 -0.664 -0.313
1 0.664 0.313
-1 -0.260 -0.228
1 0.260 0.228
-0.736 -0.176 -0.09
0.736 0.176 0.09
-0.401 -0.050 -0.031
0.401 0.050 0.031];
b=[-0.9
1
-0.6
0.75
-0.4
0.55
-0.2
0.35
-0.12
0.22
-0.05
0.1];
Aeq=[1 1 1];
beq=[1];
options = optimoptions('linprog','Algorithm','active-set')
[x,fval,exitflag,output,lambda]=linprog(f,A,b,Aeq,beq,[],[],[],'options')
And how can I increase the iterations?

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回答（1 个）

Matt J
Matt J 2014-6-1
编辑：Matt J 2014-6-1
Remove the quotation marks from 'options'. I don't understand why this didn't produce an error message.
options = optimoptions('linprog','Algorithm','simplex')
[x,fval,exitflag,output,lambda]=linprog(f,A,b,Aeq,beq,[],[],[],options)
I also don't understand why the fact that you have f=[] doesn't produce an error message.
And how can I increase the iterations?
Use the 'MaxIter' option.

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