Research Article
Global Convergence of Schubert’s Method for Solving Sparse Nonlinear Equations
Table 2
Results of Algorithm
3 for Problems
8–
14.
| Pro | | | | | | Iter | Time (s) | | Iter | Time (s) |
| 8 | 52 | 1.2019 − 04 | 4.7426 − 06 | 4 | 0.0000 | 4.8145 − 06 | 6 | 0.0000 | 100 | 6.2500 − 05 | 6.8402 − 06 | 3 | 0.0000 | 6.9537 − 06 | 4 | 0.0000 | 200 | 3.1250 − 05 | 7.7243 − 06 | 2 | 0.0000 | 7.8200 − 06 | 2 | 0.0000 | 500 | 1.2500 − 05 | 9.8751 − 06 | 11 | 0.0000 | 3.1279 − 06 | 2 | 0.0000 | 1000 | 6.2500 − 06 | 6.2500 − 06 | 0 | 0.0000 | 6.2500 − 06 | 0 | 0.0000 | 3000 | 2.0833 − 06 | 2.0833 − 06 | 0 | 0.0000 | 2.0833 − 06 | 0 | 0.0000 | 5000 | 1.2500 − 06 | 1.2500 − 06 | 0 | 0.0000 | 1.2500 − 06 | 0 | 0.0000 | 10000 | 6.2500 − 07 | 6.2500 − 07 | 0 | 0.0000 | 6.2500 − 07 | 0 | 0.0000 | 20000 | 3.1250 − 07 | 3.1250 − 07 | 0 | 0.0000 | 3.1250 − 07 | 0 | 0.0000 |
| 9 | 50 | 19.2212 | 4.7930 − 11 | 4 | 0.0000 | 4.3678 − 11 | 2 | 0.0000 | 100 | 27.1828 | 6.7783 − 11 | 4 | 0.0000 | 6.1770 − 11 | 2 | 0.0000 | 200 | 38.4423 | 9.5860 − 11 | 4 | 0.0000 | 9.8689 − 11 | 2 | 0.0000 | 500 | 60.7826 | 1.5157 − 10 | 4 | 0.0000 | 1.5604 − 10 | 2 | 0.0000 | 1000 | 85.9596 | 2.1435 − 10 | 4 | 0.0313 | 2.2068 − 10 | 2 | 0.0000 | 3000 | 148.8864 | 4.1536 − 10 | 4 | 0.0313 | 3.8222 − 10 | 2 | 0.0313 | 5000 | 192.2116 | 5.3623 − 10 | 4 | 0.0625 | 4.9345 − 10 | 2 | 0.0625 | 10000 | 271.8282 | 7.5834 − 10 | 4 | 0.1250 | 7.7298 − 10 | 2 | 0.0938 | 20000 | 384.4231 | 1.0725 − 09 | 4 | 0.2500 | 1.0932 − 09 | 2 | 0.1563 |
| 10 | 50 | 1200 | 8.3426 − 06 | 33 | 0.0000 | 4.2841 − 09 | 19 | 0.0000 | 100 | 1697.1 | 2.2053 − 07 | 34 | 0.0000 | 6.0586 − 09 | 19 | 0.0000 | 200 | 2400 | 2.4538 − 07 | 34 | 0.0000 | 3.5281 − 06 | 23 | 0.0000 | 500 | 3794.7 | 1.3524 − 06 | 35 | 0.0313 | 5.5783 − 06 | 23 | 0.0000 | 1000 | 5366.6 | 1.0785 − 06 | 33 | 0.0313 | 7.8890 − 06 | 23 | 0.0000 | 3000 | 9295.2 | 2.3859 − 07 | 33 | 0.0625 | 1.1640 − 07 | 24 | 0.0313 | 5000 | 12000 | 3.0801 − 07 | 33 | 0.0938 | 1.5028 − 07 | 24 | 0.0625 | 10000 | 16971 | 4.1301 − 06 | 29 | 0.1563 | 2.1252 − 07 | 24 | 0.1250 | 20000 | 24000 | 5.3904 − 06 | 25 | 0.2813 | 1.4378 − 07 | 24 | 0.2500 |
| 11 | 50 | 4.7599 | 1.2153 − 07 | 6 | 0.0000 | 1.4006 − 06 | 6 | 0.0000 | 100 | 6.8315 | 1.1647 − 07 | 6 | 0.0000 | 1.4743 − 06 | 6 | 0.0000 | 200 | 9.7319 | 1.3534 − 07 | 6 | 0.0000 | 1.8019 − 06 | 6 | 0.0000 | 500 | 15.4545 | 1.9008 − 07 | 6 | 0.0000 | 2.6117 − 06 | 6 | 0.0000 | 1000 | 21.8876 | 2.5837 − 07 | 6 | 0.0000 | 3.5883 − 06 | 6 | 0.0000 | 3000 | 37.9470 | 4.3584 − 07 | 6 | 0.0000 | 6.0967 − 06 | 6 | 0.0000 | 5000 | 48.9988 | 5.5970 − 07 | 6 | 0.0000 | 2.6853 − 06 | 6 | 0.0000 | 10000 | 69.3047 | 7.8840 − 07 | 6 | 0.0313 | 3.7947 − 06 | 6 | 0.0313 | 20000 | 98.0187 | 1.1128 − 06 | 6 | 0.0313 | 5.3645 − 06 | 6 | 0.0469 |
| 12 | 50 | 6.2761 | 1.5871 − 08 | 7 | 0.0000 | 2.7576 − 08 | 6 | 0.0000 | 100 | 8.7909 | 1.9036 − 08 | 7 | 0.0000 | 3.6023 − 08 | 6 | 0.0000 | 200 | 12.3723 | 2.4543 − 08 | 7 | 0.0000 | 4.8866 − 08 | 6 | 0.0000 | 500 | 19.5054 | 3.6586 − 08 | 7 | 0.0000 | 7.5309 − 08 | 6 | 0.0000 | 1000 | 27.5580 | 5.0705 − 08 | 7 | 0.0000 | 1.0559 − 07 | 6 | 0.0000 | 3000 | 47.7008 | 8.6635 − 08 | 7 | 0.0000 | 1.8182 − 07 | 6 | 0.0000 | 5000 | 61.5735 | 1.1154 − 07 | 7 | 0.0000 | 2.3446 − 07 | 6 | 0.0000 | 10000 | 87.0696 | 1.5742 − 07 | 7 | 0.0000 | 3.3129 − 07 | 6 | 0.0000 | 20000 | 123.1291 | 2.2239 − 07 | 7 | 0.0313 | 4.6831 − 07 | 6 | 0.0313 |
| 13 | 51 | 771.2349 | 8.4607 − 09 | 10 | 0.0000 | 1.6413 − 08 | 9 | 0.0000 | 99 | 1089.8 | 1.1644 − 08 | 10 | 0.0000 | 2.3210 − 08 | 9 | 0.0000 | 201 | 1564.5 | 1.6479 − 08 | 10 | 0.0000 | 3.3331 − 08 | 9 | 0.0000 | 501 | 2480.5 | 2.5914 − 08 | 10 | 0.0000 | 5.2860 − 08 | 9 | 0.0000 | 999 | 3507.7 | 3.6544 − 08 | 10 | 0.0000 | 7.4754 − 08 | 9 | 0.0000 | 3000 | 6087.3 | 6.3242 − 08 | 10 | 0.0313 | 1.2974 − 07 | 9 | 0.0000 | 5001 | 7857.2 | 8.1675 − 08 | 10 | 0.0625 | 1.6746 − 07 | 9 | 0.0313 | 9999 | 11112 | 1.1547 − 07 | 10 | 0.0938 | 2.3682 − 07 | 9 | 0.0625 | 20001 | 15717 | 1.6330 − 07 | 10 | 0.1563 | 3.3496 − 07 | 9 | 0.1563 |
| 14 | 50 | 147.1394 | 2.8039 − 06 | 7 | 0.0000 | 1.4943 − 06 | 8 | 0.0000 | 100 | 208.0865 | 3.9654 − 06 | 7 | 0.0000 | 2.1133 − 06 | 8 | 0.0000 | 200 | 294.2788 | 5.6079 − 06 | 7 | 0.0000 | 2.9887 − 06 | 8 | 0.0313 | 500 | 465.2956 | 8.8669 − 06 | 7 | 0.0313 | 4.7255 − 06 | 8 | 0.0625 | 1000 | 658.0274 | 3.5104 − 07 | 8 | 0.0625 | 6.6829 − 06 | 8 | 0.1250 | 3000 | 1139.7 | 6.0803 − 07 | 8 | 0.1250 | 3.1348 − 08 | 9 | 0.3438 | 5000 | 1471.4 | 7.8496 − 07 | 8 | 0.2969 | 4.0470 − 08 | 9 | 0.4219 | 10000 | 2080.9 | 1.1101 − 06 | 8 | 0.3594 | 5.7234 − 08 | 9 | 0.8438 | 20000 | 2942.8 | 1.5699 − 06 | 8 | 0.7656 | 8.0941 − 08 | 9 | 1.5000 |
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