[Help-glpk] (no subject)

[Antonio Carlos Moretti]

How can I define a sparese matrix in GLPK.
I am doing the following:
....
param A{j in voos, i in seq}, default 0.0;
param A:= [1,1] 1
[1,2] 1
[1,3] 1
[1,4] 1
[2,6] 1
[2,7] 1
[2,8] 1
[2,9] 1
[2,10] 1
[2,13] 1
[2,15] 1;
....
Thanks ,
Antonio