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And that derivation seems to be known at least since 1788: https://en.wikipedia.org/wiki/Lagrangian_mechanics https://en.wikipedia.org/wiki/Lagrangian_mechanic
by acqq 7y ago
And that derivation seems to be known at least since 1788:
https://en.wikipedia.org/wiki/Lagrangian_mechanics https://en.wikipedia.org/wiki/Lagrangian_mechanics
- andrepd 7y agoYes, but Landau derives that in a supremely elegant way, from purely physical arguments.
- acqq 7y agoI personally always prefer first historical approach, only then elegant summaries. I am aware that some like just a distilled material. Still thanks for mentioning Landau and Lifschitz book!