2 problems

Let $f:\mathbb{R}^m\rightarrow\mathbb{R}$ be a $C^1$ function that is $C^2$ near its critical points, and let $\{z_n\}$ be the sequence generated by the Backtracking GD method from…

Let $f_\beta(u)$ be the function whose saddle-point equation is … and let $u^*(\beta)$ be the branch of solutions defined in the source, satisfying $u^*(1)=0$ for…