| Article ID: | iaor19972119 |
| Country: | Netherlands |
| Volume: | 73 |
| Issue: | 3 |
| Start Page Number: | 510 |
| End Page Number: | 516 |
| Publication Date: | Mar 1994 |
| Journal: | European Journal of Operational Research |
| Authors: | Story Sverre |
The present paper studies how the weights used in column aggregation of linear programs may be changed in order to improve the objective value. A procedure similar to postoptimal change of the coefficients of a basic variable is developed.