Examples
- Variational principle of Ivar Ekeland
- Fermat's principle in geometrical optics.
- The principle of least action in mechanics, electromagnetic theory, and quantum mechanics.
- Maupertuis principle in classical mechanics.
- The Einstein equation also involves a variational principle, the Einstein-Hilbert action.
- Gauss' principle of least constraint.
- Hertz's principle of least curvature
- The variational method in quantum mechanics
- The Finite element method
Read more about this topic: Variational Principle
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