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Salvatore Filippone
2021-04-01 14:25:32 +02:00
parent 6bf1b33e4d
commit 2b60afe6c3
5 changed files with 19 additions and 14 deletions
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@@ -454,13 +454,13 @@ class="cmr-12">).</span>
class="newline" />
<!--l. 178--><p class="indent" > <span
class="cmbx-12">Remark 3. </span><span
class="cmr-12">Many of the coarsest-level solvers cannot be used with both the</span>
class="cmr-12">Many of the coarsest-level solvers cannot be used with both replicated</span>
<span
class="cmr-12">replicated and distributed coarsest-matrix layout; therefore, setting the solver after the</span>
class="cmr-12">and distributed coarsest-matrix layouts; therefore, setting the solver after the layout</span>
<span
class="cmr-12">layout may change the layout. Similarly, setting the layout after the solver may change</span>
class="cmr-12">may change the layout. Similarly, setting the layout after the solver may change the</span>
<span
class="cmr-12">the solver.</span>
class="cmr-12">solver.</span>
<!--l. 183--><p class="indent" > <span
class="cmr-12">More precisely, UMFPACK and SuperLU require the coarsest-level matrix to be</span>
<span
@@ -1652,10 +1652,15 @@ class="cmtt-10x-x-109">&#8217;</span><span
class="cmtt-10x-x-109">FCG</span><span
class="cmtt-10x-x-109">&#8217;</span> </td><td style="white-space:normal; text-align:left;" id="TBL-8-7-5"
class="td11"><!--l. 504--><p class="noindent" >A string that defines the iterative method to
be used. <span
class="cmtt-10x-x-109">CG </span>the Conjugate Gradient method;
<span
class="cmtt-10x-x-109">CGS </span>the Conjugate Gradient Stabilized
be used when employing a Krylov method
<span class="lstinline"></span><span
class="cmtt-10x-x-109">&#8217;</span><span
class="cmtt-10x-x-109">KRM</span><span
class="cmtt-10x-x-109">&#8217;</span> as a coarse solver. <span
class="cmtt-10x-x-109">CG </span>the Conjugate
Gradient method; <span
class="cmtt-10x-x-109">CGS </span>the Conjugate Gradient
Stabilized
method; <span
class="cmtt-10x-x-109">GCR </span>the Generalized Conjugate
Residual method; <span