<div dir="ltr">Dear all,<div><br></div><div><br></div><div style>Sorry to bother you all again. </div><div style><br></div><div style>Is there any way to specify the start point for derivatives checking? I've noticed that the start point for the derivatives checking seems to be taken randomly. Is there a way to force start point to be the one implemented in get_start_point()?</div>
<div style><br></div><div style>Thanks.</div><div style><br></div><div style><br></div><div style>Best,</div><div style>Xin</div></div>