Physics 70 Principle of Least Action (20 of 27) The Principle Derived (Part 2/4)

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We will mathematically derive the Principle of Least Action. (Part 2 of 4)

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500K !! Thanks for all the videos you made man! Makes the difference!

KevinS
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How do we know we haven't ruled out some other global minima? All these "finding minima by taking stationary points" requires assuming deltas-go-to-zero, which would be true at ANY minima or maxima. But, how do we know we have discovered THE global minimum in the action?

theultimatereductionist