loop and variables
loop and variables
hi
i want to use a loop statement for calculating a parameter from a
variable as below:
parameter Vlim;
Variable V;
...some equations about V and other variables then
loop(i,Vlim(i)=1.05$(V(i)>1.05));
at the end this error will appear at output:
141 Symbol neither initialized nor assigned
A wild shot: You may have spurious commas in the explanatory
text of a declaration. Check symbol reference list.
143 A suffix is missing
257 Solve statement not checked because of previous errors
can you help me with this
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Re: loop and variables
Hi Alireza,
When you solve an optimization problem with GAMS, the variables has more than one value (the actual value, the marginal, upper bound and lower bound), if you want to use the value of V, then you must put the corresponding suffix:
V.l
".l" =level of the variable
".up"=upper bound
".lo"=lower bound
".m"= marginal
hope this help
Best regards
2009/5/23 Alireza
hi
i want to use a loop statement for calculating a parameter from a
variable as below:
parameter Vlim;
Variable V;
...some equations about V and other variables then
loop(i,Vlim(i)=1.05$(V(i)>1.05));
at the end this error will appear at output:
141 Symbol neither initialized nor assigned
A wild shot: You may have spurious commas in the explanatory
text of a declaration. Check symbol reference list.
143 A suffix is missing
257 Solve statement not checked because of previous errors
can you help me with this
--
Daniel Andrés Navia López
Ingeniero Civil QuÃmico
Mg.Sc.Ciencias de la IngenierÃa, Mención IngenierÃa QuÃmica
626752875
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To unsubscribe from this group, send email to gamsworld+unsubscribe@googlegroups.com
For more options, visit this group at http://groups.google.com/group/gamsworld?hl=en
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