Approximate Schur-Block ILU Preconditioners for Regularized Solution of Discrete Ill-Posed Problems

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35 312C35 153 89 -12 240 -12C390 -12 443 166 443 312C443 466 390 635 241 635ZM238 602C329 602 354 454 354 312C354 172 330 22 240 22C152 22 124 173 124 313S148 602 238 602Z"></path></g><g transform="matrix(.013,0,0,-0.013,33.901,0)"><path d="M241 635C89 635 35 457 35 312C35 153 89 -12 240 -12C390 -12 443 166 443 312C443 466 390 635 241 635ZM238 602C329 602 354 454 354 312C354 172 330 22 240 22C152 22 124 173 124 313S148 602 238 602Z"></path></g></svg> for Application <a href="https://static.hindawi.com/articles/mpe/volume-2019/1912535/figures/#appl1">14</a>.</p>

Mathematical Problems in Engineering

fig1

Figure 1

Figure 1: Approximate Schur-Block ILU Preconditioners for Regularized Solution of Discrete Ill-Posed Problems 