474 INDEX
Warshall’s algorithm, 209
Weak, 204
Weakly connected, 204
Weight, 162
Weighted graph, 162
path length, 159, 203
Welch-Powell algorithm, 169
Well-ordered set, 267, 344
Word, 303
empty, 303
Worst case, 58
YES set, 306
Yes (accepting) states, 327
Z(integers), 2, 264
Zm(integers modulom), 276
Zero:
divisor, 444
element, 434
matrix, 411
polynomial, 446
row, 417
vector, 409