Posted by **Steven** on Thursday, October 22, 2009 at 7:45pm.

What exactly is an eigenvalue?

"To be an eigenfunction, the operator has to reproduce the function with some multiplicative constant."

Is the eigenvalue the multiplicative constant -or- is it the m constant and the function?

Many thanks.

- Quantum mechanics, eigenvalues, eigenfunctions -
**Steven**, Thursday, October 22, 2009 at 7:46pm
I'll also like to thank Dr. Physics for helping me last time :)

- Quantum mechanics, eigenvalues, eigenfunctions -
**bobpursley**, Thursday, October 22, 2009 at 8:05pm
The eigenvalue is the scalar multiplying value. Yes, DrPhysics is a very well known person in the field of physics, and it is a pleasure to have known him, and worked with him, for the past sixteen years. I will relay your thanks.

http://www.drphysics.com/

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