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<DIV><FONT color=#0000ff size=2 face=Verdana>hello, petsc teams,</FONT></DIV>
<DIV><FONT color=#0000ff></FONT> </DIV>
<DIV><FONT color=#0000ff>When I use
finite difference jacobian approximations, I only find the
computation methods and results of jacobian matrix </FONT></DIV>
<DIV><FONT color=#0000ff></FONT> </DIV>
<DIV><FONT color=#0000ff>cannot influence <SPAN class=word><FONT
style="FONT-SIZE: 16px">iterative process</FONT></SPAN> of snes.
</FONT></DIV>
<DIV> </DIV>
<DIV><FONT color=#0000ff>Is it right? How should I compute the jacobian
matrix?</FONT></DIV>
<DIV><FONT color=#0000ff size=2 face=Verdana></FONT> </DIV>
<DIV align=left><FONT color=#c0c0c0 size=2 face=Verdana><FONT
color=#0000ff>thanks,</FONT></FONT></DIV>
<DIV align=left><FONT color=#c0c0c0 size=2 face=Verdana><FONT
color=#0000ff></FONT></FONT> </DIV>
<DIV align=left><FONT color=#c0c0c0 size=2 face=Verdana><FONT
color=#0000ff>leping</FONT></FONT></DIV>
<DIV align=left><FONT color=#c0c0c0 size=2 face=Verdana><FONT
color=#0000ff>2010-05-01</FONT> </FONT></DIV><FONT size=2 face=Verdana>
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