The problem presented in this directory is from:

Lasdon, Leon. Optimization Theory for Large Systems. The MacMillan Company. 
     1970.

Specifically, this is example 3.5 on pages 155 through 160.

The solution on page 160 shows an optimal value of -110/3 (= -36.666666)
with variable assignments of x1=8.3333, x2=3.3333, y1=10, y2=5.

To run this example:

<PATH_TO_DANTZIG_WOLFE_EXECUTABLE> -g guide_file
