[petsc-users] Searching for a suitable example case for parallel linear solver

[SONG Pengyang]

Hi all,
I am a new user of PETSC, and I am trying to use KSP to solve a 3D Poisson problem. The 3D Poisson problem is differenced by myself, which means that matrix A is given already.
I have found several examples in KSP tutorials but I want to know which one is suitable for me in “ex2f; ex6f; ex15f; ex21f; ex44f; ex45f”
Thanks in advance.
Regards,
Pengyang

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Pengyang Song（宋朋洋）
MSc candidate in Physical Oceanography
College of Oceanic and Atmospheric Sciences
Ocean University of China
No. 238 Songling Road, Qingdao 266100, Shandong, China
TEL: (+86) 15762264643

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