<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">Yes, EPSComputeResidualNorm uses the 2-norm.<br class=""></div></blockquote></div><div><br class=""></div><div>One last thing, if I force <i class="">EPSSetTrueResidual</i>(eps, PETSC_TRUE)</div><div class="">will that guarantee that <i class="">EPSComputeRelativeError() </i></div><div class="">will give the norm consistent to that, used internally by all SLEPc solvers?</div><div class=""><br class=""></div>Thanks.<br class=""><div class="">Regards,</div><div class="">Denis.</div></body></html>