Skip to main content
2 events
when toggle format what by license comment
Dec 6, 2018 at 22:13 comment added fedja Sometimes, but, obviously, not always. Take $a=0,b=1, K_1=K_2=1, f=0$. Then any constant function is a solution.
Dec 6, 2018 at 14:07 history asked Nebojša Đurić CC BY-SA 4.0