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Hi,</div>
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I have a block matrix with type of MATNEST, but can I call -pc_fieldsplit_detect_saddle_point to change its IS? I assume it is not possible. </div>
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Also, I notice there is a small but important typo in the new fieldsplit doc:</div>
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<a href="https://petsc.org/release/manualpages/PC/PCFIELDSPLIT/" id="LPlnk869349" class="OWAAutoLink">https://petsc.org/release/manualpages/PC/PCFIELDSPLIT/</a><br>
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The first matrix of the full factorization misses A10. I believe it should be </div>
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[I -ksp(A00) A01]</div>
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[ I ]</div>
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Best,</div>
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Qi</div>
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