Research Article
Approximate Schur-Block ILU Preconditioners for Regularized Solution of Discrete Ill-Posed Problems
Table 12
Results of test problems from the literature.
| | | [43] | [5] |
| | Problem | Balance scheme | ILU | ILUTP | ILUTP | | (RNE, iter) | (RNE, iter) | (RNE, iter) | (RNE, iter) |
| | BP1000 | Pnc | F | | |
| | GRE216A | | Pnc | Pnc | Pnc |
| | GRE216B | | Pnc | Pnc | Pnc |
| | GRE343 | | Pnc | Pnc | Pnc |
| | GRE512 | | Pnc | Pnc | Pnc |
| | GRE1107 | | F(Unstable solve) | F(Inaccuracy) | F(Unstable solve) |
| | NNC1374 | Pnc | F(Small pivot) | F(Unstable solve) | F(Unstable solve) |
|
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