Dear Members:

I read the kestrel.pdf in gams and used the solver kestrel to connect the NEOS, but got an error.so I try a simple module “trnsport” in the model libraries in gams,however the error is same. I don’t know where the fault. My python is 2.7.

This is the code:

Sets

i canning plants / seattle, san-diego /

j markets / new-york, chicago, topeka / ;

Parameters

a(i)

b(j)

…

Variables

x(i,j) …

z…

Positive Variable x ;

Equations

cost … z =e= sum((i,j), c(i,j)*x(i,j)) ;

supply(i) … sum(j, x(i,j)) =l= a(i) ;

demand(j) … sum(i, x(i,j)) =g= b(j) ;

model transport /all/ ;

option lp=kestrel;

transport.optfile=1;

$onecho > kestrel.opt

kestrel_solver minos

neos_server www.neos-server.org

socket_timeout 10

$offecho

Solve transport using lp minimizing z ;

Display x.l, x.m ;

## Here is the error:

Kestrel error: Error editing gamscntr.scr: [ Errno 2 ] No such file or directory: ‘/scratch/neos/solver/scratch/neos-42859’

\

To unsubscribe from this group and stop receiving emails from it, send an email to gamsworld+unsubscribe@googlegroups.com.

To post to this group, send email to gamsworld@googlegroups.com.

Visit this group at http://groups.google.com/group/gamsworld.

For more options, visit https://groups.google.com/groups/opt_out.