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<p class="MsoNormal">Hello,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am trying to compare PETSc and Lis libraries. <br>
<br>
In PETSc I could use absolute or relative tolerance. I want to know what is your definition of relative tolerance?<br>
<br>
In Lis, they have 3 convergence conditions:<br>
<img width="491" height="63" style="width:5.1111in;height:.6527in" id="Picture_x0020_1" src="cid:image001.png@01D802FC.1A405EF0"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Ning Li<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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