<div dir="ltr"><div><div>Hello,<br></div>I am trying to solve an unconstrained convex optimization problem and I am looking for a function similar to Matlab's fminunc to which I could provide a function that calculates the derivative of my objective. Is there a similar function in PETSc package?<br>
</div>Grateful in advance,<br>Jelena Slivka<br></div>