<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false">hello users, <br></div><div dir="ltr" data-setdir="false">i was trying to converge a system but it did not converge with default value of 0.7 then i lowered the value to 0.4 it is co0nverging but computational time increased , do mixing beta increases the computational cost or there may be some other reasons <br></div></div></body></html>