## Lec 17. Approximation Methods: Variational Principle, Atomic Units

#### Lec 17. Quantum Principles -- Approximation Methods: Variational Principle, Atomic Units --

Instructor: A.J. Shaka, Ph.D

Recorded on February 18, 2014.

Index of Topics:

0:55 Symmetry

2:23 Orthogonality

5:53 The Variational Principle

23:17 Atomic Units

31:31 Practice Problem 23

34:25 Notation

37:29 Hydride Anion, Try #1

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