[Help-glpk] binary variabel

[Ajeng Dewi Citra Langeni]

Hi everyone,

I have a problem in mixed integer linear proramming

The problem has variable named g , u and parameter named b

u is binary variabel, g integer and b is parameter

g will have value 0, if u=0

and g>=b if u=1

How can i write this problem?

Thanks in advance