A question about sets

GAMS
1

Hi everybody,

I just want to ask a question. I have an equation like that
i 1*10 ;
lindley(i$(ord(i)=ge=2))… wtime(i+1)-wtime(i)-itime(i+1)+x(i) =e= serdur(i,‘1’);

But first and last equation does not satisfy this equation so I want my equations set indexes start from 2 till 9. How can i do?


Thanks in advance,
Nazmi

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2

Hi Nazmi,

lindley(i$((ord(i) >= 2) AND (ord(i) wrote:

Hi everybody,

I just want to ask a question. I have an equation like that
i 1*10 ;
lindley(i$(ord(i)=ge=2))… wtime(i+1)-wtime(i)-itime(i+1)+x(i) =e= serdur(i,‘1’);

But first and last equation does not satisfy this equation so I want my equations set indexes start from 2 till 9. How can i do?


Thanks in advance,
Nazmi

\

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PEDRO JAVIER RAMÍREZ TORREALBA
Ingeniero Civil Eléctrico PUC
MSc en Ingeniería Eléctrica PUC
Londres, REINO UNIDO

Celular: +44-(0)75-8069-3119

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3

Dear Nazmi,
You may “cascade” the dollar control operators if you want, such as in :

lindley(i) ((ord(i) ge 2) (ord(i) lt card(i))) … wtime…

this should work fine.
hope this helps
dax

Le mardi 5 mars 2013 20:37:38 UTC+1, Nazmi a écrit :

Hi everybody,

I just want to ask a question. I have an equation like that
i 1*10 ;
lindley(i$(ord(i)=ge=2))… wtime(i+1)-wtime(i)-itime(i+1)+x(i) =e= serdur(i,‘1’);

But first and last equation does not satisfy this equation so I want my equations set indexes start from 2 till 9. How can i do?


Thanks in advance,
Nazmi

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