<div dir="ltr">Hi, <br><br>In my simulation, nonlinear solve with the trust <span class="GINGER_SOFTWARE_mark" id="9aa306fd-293c-4138-b309-a187ab9cc39a">regtion</span> method got <span class="GINGER_SOFTWARE_mark" id="3f92a039-8c42-4921-88af-e1c540fa88d6">stagnent</span> after linear solve (see output below). Is it possible that the method goes <span class="GINGER_SOFTWARE_mark" id="f28c405f-32ac-44c3-8303-51a9a7142aaa">to</span> <span class="GINGER_SOFTWARE_mark" id="1f832e10-dcf1-407a-9994-debd166e6990">inifite loop</span>? Is there any parameter to avoid this situation?<br>
<br>  0 SNES Function norm 1.828728087153e+03 <br>    0 KSP Residual norm 91.2735 <br>    Linear <span class="GINGER_SOFTWARE_mark" id="1ad99002-3246-4f45-afdf-876289bffe4a">solve</span> converged due to CONVERGED_ITS iterations 1<br>
    Linear <span class="GINGER_SOFTWARE_mark" id="564512aa-b509-4232-9d88-aa5a71d1364e">solve</span> converged due to CONVERGED_RTOL iterations 3<br>    1 KSP Residual norm 3.42223 <br>  Linear <span class="GINGER_SOFTWARE_mark" id="d4bed77e-203a-4ba9-96b0-281da7a48f61">solve</span> converged due to CONVERGED_STEP_LENGTH iterations 1<br>
<br><div><br></div><div>Thank you in advance,<br></div><div>Nori<br></div></div>