4.3 Function-Variable Output Set Assignment......... 4.4 Minimum Weighted Tearing..... ................. 5 COMPUTER IMPLEMENTATION ........................... 5.1 Data Structures.............................. . 5.2 A Versatile Memory System ..................... 5.3 Flow Diagram and Subroutine Descriptions........ 6 CONVERGENCE PROPERTIES .................................. 6.1 Review......................................... 6.2 Modification of Solution Procedures............ 6.3 Convergence Properties of Combined Gauss-Seidel and Newton-Raphson................ 7 EXAMPLE PROBLEMS .............................. ...... 7.1 Distillation Model ............................. 7.2 Examples ........................... ......... . 7.3 Discussion................................... . 8 CONCLUSIONS AND RECOMMENDATIONS...................... APPENDICES: A THE SIM DATA STRUCTURE.............. B SUBROUTINE DESCRIPTIONS............. BIBL IOG APHY.................................. BIOGRAPHICAL SKETCH ........................... Page 75 77 80 80 88 96 102 102 105 107 114 114 1 ! 123 131 135 139 158 160 . .. . w D t