【摘要】 本文指出,改进节点法中存在电流变量支路的割集时避免零主元的一个充分必要条件,并据此给出了一个选主元的算法。更多还原

【Abstract】 A sufficient and necessary condition is identified for avoiding zero pivots in the modified nodal approach with cutsets of branches whose currents are network variables. A pivoting algorithm based on this condition is described.更多还原