Re: [Help-glpk] API glp_find_col

[Andrew Makhorin]

> My code is very simple as shown below. I use it to test glp_find_col but
> it doesn't work.

>       const char* p="z[0][0]";
>       Col_Num=glp_add_cols(lp,1);
>       glp_set_col_name(lp, Col_Num, p);
>       Col_Num=glp_find_col(lp, p);

> I debug it step by step. When it goes to the last line, I get debug
> error.

> glp_find_col: column index does not exist
> Error detected in file ...\src\glpapi03.c at line 123

> Any suggestions? Thank you in advance.

To create the name index you should call the routine glp_create_index
after glp_create_prob.