Re: [Help-glpk] Beware of using Access and Excel tables with ODBC (SQL statement) in MathProg

[Andrew Makhorin]

Noli,

> I managed to implement transportation model sql (i.e. transp_odbc.mod
> in ..glpk-4.4.2/examples/sql) using ODBC in Access, Excel and SQLite
> and compare the results to the original transp.mod found in the
> ../glpk-4.42/examples folder).

Could you please modify the model to display all the input data read
from the database, namely, sets I, J, and parameters a, b, d, and then
run the model for access, excel, and sqlite? It is important to find
out why the results are different. Thanks.


Andrew Makhorin