query: Why is there a Lagrangian?
positive_passages.docid: 63069
positive_passages.text: Why the Principle of Least Action?
negative_passages.docid: 158099
negative_passages.text: Why and how does negative velocity exist?
negative_passages.docid: 154454
negative_passages.text: Why are $L_4$ and $L_5$ lagrangian points stable?
negative_passages.docid: 156234
negative_passages.text: Why is the Converse to Lagrange's Theorem False?
negative_passages.docid: 87259
negative_passages.text: Constraints of relativistic point particle in Hamiltonian mechanics
negative_passages.docid: 126142
negative_passages.text: Action principle, Lagrangian mechanics, Hamiltonian mechanics, and conservation laws when assuming Aristotelian mechanics $F=mv$
negative_passages.docid: 11358
negative_passages.text: Eigenvalues of the Lagrangian?
negative_passages.docid: 91314
negative_passages.text: Advantages of Lagrangian Mechanics over Newtonian Mechanics
negative_passages.docid: 101002
negative_passages.text: Is there either a Lagrangian or a Hamiltonian formulation of electromagnetism with continuous distributions of magnetic monopoles?
negative_passages.docid: 61142
negative_passages.text: Is there any physics that cannot be expressed in terms of Lagrange equations?
negative_passages.docid: 83917
negative_passages.text: How can I prove that the following Lagrangian is Lorentz-invariant iff the axionic field is a pseudoscalar?
negative_passages.docid: 158717
negative_passages.text: Why do we prefer "Lagrangian and Hamiltonian mechanics " over the newtonian mechanics?
negative_passages.docid: 68422
negative_passages.text: Understanding Lagrange's Theorem (Group Theory)
negative_passages.docid: 10953
negative_passages.text: Elementary argument for conservation laws from symmetries *without* using the Lagrangian formalism
negative_passages.docid: 43127
negative_passages.text: Why are Hamiltonian Mechanics well-defined?
negative_passages.docid: 30992
negative_passages.text: How do you determine the Lagrangian?
negative_passages.docid: 90325
negative_passages.text: Why use the derivative and not the symmetric derivative?