Footnotes

(1)

The GNU MathProg language is a subset of the AMPL language. Its GLPK implementation is mainly based on the paper: Robert Fourer, David M. Gay, and Brian W. Kernighan, “A Modeling Language for Mathematical Programming.” Management Science 36 (1990) pp. 519-54.

(2)

For details See section Obtaining current calendar time.

(3)

For details See section Converting character string to calendar time.

(4)

For details see See section Converting calendar time to character string.

(5)

There is another way to specify data for a simple set along with data for parameters. This feature is discussed in the next section.

(6)

Data record is simply a technical term. It does not mean that data records have any special formatting.

(7)

<http://www.gnu.org/software/glpk/>