From where the idea of characteristic equations came?
Is there any physical significance of characteristic equations?
Why we always bother about characteristic equation to solve the problem?
What type of problems or difficulties may arise if we don't use Characteristic equation?
Why dividing out the smallest power always produces the characteristic equation?
I am asking all in context Of Recurrence Relation
Is Characteristic equation without any Specific Domain such Calculus, Recurrence Relation etc don't have any meaning?