Quantum mechanics, eigenvalues, eigenfunctions

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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 -

    I'll also like to thank Dr. Physics for helping me last time :)

  • Quantum mechanics, eigenvalues, eigenfunctions -

    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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