- 1,749
- 65
Hi PF!
So if this ##L[\phi] = M[\phi]## is called an eigenvalue problem (where ##L,M## are operators, could be differential or matrices) then what is this called ##L[\phi] = M##?
So if this ##L[\phi] = M[\phi]## is called an eigenvalue problem (where ##L,M## are operators, could be differential or matrices) then what is this called ##L[\phi] = M##?