Gianluca Meneghello <[email protected]> writes: > I need both right and left vectors for use in a SLEPc SVD decomposition; it > is my understanding that the correct layout is obtained with MatCreateVecs > and that only the layout for the right vector is created with > DMCreateGlobalVector.
Do you have a non-square matrix? If so, is the left vector associated with a different DM? > Or I might be wrong and there is actually no difference! If so I will > use DMCreateGlobalVector > without any problem If the system is square, DMCreateGlobalVector should be correct.
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