Dear all,
I am trying to solve simple example using GAMS/Lindo. I have installed Lindo, create the lindopath.txt and I have an error, see attachment.
To to my understanding, Lindo is the only stochastic programming with continuous random variable solver, any other stochastic programming solvers? Any suggestions on how to solve this error please?
Best regards and thanks in advance
–
HI!
I have retyped model
Variable F,X1,X2,y1,y2 ;
Positive Variable y1
Equation cost, g, h1, h2 ;
cost… f =e= x1+x2 ;
g… sqr(x1) +sqr(x2) =l= 1 ;
h1… x1=g= y1-y2 +1 ;
h2… x2+y2 =n= 0 ;
y2.lo = -1 ;
y2.up = 1 ;
model example /cost ,g,h1.y1,h2.y2/;
option mpec=nlpec ;
option dnlp=lindo;
solve example using mpec min f ;
1 Variable F,X1,X2,y1,y2 ;
2 Positive Variable y1
3
4
5 Equation cost, g, h1, h2 ;
6 cost… f =e= x1+x2 ;
7 g… sqr(x1) +sqr(x2) =l= 1 ;
8 h1… x1=g= y1-y2 +1 ;
9 h2… x2+y2 =n= 0 ;
10 y2.lo = -1 ;
11 y2.up = 1 ;
12 model example /cost ,g,h1.y1,h2.y2/;
13
14 option mpec=nlpec ;
15 option dnlp=lindo;
16 solve example using mpec min f ;
Equation Listing SOLVE example Using MPEC From line 16
and so on
---- cost =E=
cost… F - X1 - X2 =E= 0 ; (LHS = 0)
and so on till
message optimal solution found
and
I suggest Your error related to uncorrect place for GAMS project.
Make next
a) Open new project by GAMS software and not deep in folders system (make this near root of hard drive)
B) Open your model code by GAMS software
c) Run model
I suggest all will be nice.
23.04.2015, 23:12, “Fawzat Alawneh” :
Dear all,
I am trying to solve simple example using GAMS/Lindo. I have installed Lindo, create the lindopath.txt and I have an error, see attachment.
To to my understanding, Lindo is the only stochastic programming with continuous random variable solver, any other stochastic programming solvers? Any suggestions on how to solve this error please?
Best regards and thanks in advance–
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–
With kindly regards!
Andre Savitsky
E-mail:andresavit@yandex.ru
andre_savit@yahoo.com
–
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