Question
Tue October 11, 2011 By:

what is the eigen value and eigen function?

Expert Reply
Thu October 13, 2011
When an operator operating on a function results in a constant times the function, the function is called an eigenfunction of the operator & the constant is called the eigenvalue.
i.e.      A f(x) = k f(x)
where f(x) is the eigenfunction & k is the eigenvalue.

Example: d/dx(e2x) = 2 e2x
e2x is the eigenfunction; 2 is the eigenvalue.
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