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seen Oct 22 '12 at 7:40

Jul
2
awarded  Curious
Mar
21
awarded  Popular Question
Jan
4
awarded  Notable Question
Mar
28
awarded  Popular Question
Oct
18
accepted Questions regarding solving the Brachistochrone problem using Lagrangian
Oct
18
comment Questions regarding solving the Brachistochrone problem using Lagrangian
Then, how can we show that y is in the range covered by $a(1-\cos\theta)$?
Oct
18
comment Questions regarding solving the Brachistochrone problem using Lagrangian
Yes, just the last two integrals, as the last sentences say.
Oct
18
comment Describing the movement of the object in a particular situation in Lagrangian way
I am willing to suffer much. It's OK to use any mathematical techniques (I guess this won't be the abstract algebra stuff, right?).
Oct
18
comment Describing the movement of the object in a particular situation in Lagrangian way
@Prathyush No... The very reason I asked this question is that Lagrangian way would be somehow difficult, but I needed it as somehow smaller part of my assignment. (The assignment obviously wasn't this.)
Oct
18
comment Questions regarding solving the Brachistochrone problem using Lagrangian
well... it's not homework, but anyway.
Oct
18
asked Describing the movement of the object in a particular situation in Lagrangian way
Oct
18
asked Questions regarding solving the Brachistochrone problem using Lagrangian
Oct
16
accepted Coverage of Quantum Electrodynamics (QED) in introductory Quantum Field Theory (QFT) books
Oct
16
comment Coverage of Quantum Electrodynamics (QED) in introductory Quantum Field Theory (QFT) books
So I should learn QED first?
Oct
16
asked Coverage of Quantum Electrodynamics (QED) in introductory Quantum Field Theory (QFT) books
Oct
16
asked Superstring theory and renormalization
Oct
15
accepted Physical meaning of some operators formed by $|Q\rangle \langle Q|$
Oct
15
asked Physical meaning of some operators formed by $|Q\rangle \langle Q|$
Oct
15
awarded  Benefactor
Oct
15
accepted Other ways of checking whether particular system result in non-locality