where can i find the matrix examples for ex10 under src/ksp/ksp/examples/tutorials?

To: petsc-users@xxxxxxxxxxx
Subject: where can i find the matrix examples for ex10 under src/ksp/ksp/examples/tutorials?
From: "Yaron Kretchmer" <yaronkretchmer@xxxxxxxxx>
Date: Tue, 4 Sep 2007 17:29:21 -0700
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Thanks
Yaron