example from physics where the action of the physical trajectory has a saddlepoint?
88658
Confusion regarding the principle of least action in Landau & Lifshitz "The Classical Theory of Fields"
98358
A variational problem with a lagrangian , what is the lagrangian?
8070
What will be the trajectory of the given motion
42186
When is the Hamiltonian of a system not equal to its total energy?
113608
Manipulate showing the trajectory of a particle along a parametric curve
42036
Why should an action integral be stationary? On what basis did Hamilton state this principle?
72721
Do an action and its Euler-Lagrange equations have the same symmetries?
109666
Example where partial derivatives commute but are not continuous.
71347
Trying to Plot Phase Plane of Nonlinear system
122757
Plot construction for a velocity vs position graph. Interpolation for phase-diagram construction?
151513
Linear motion with variable acceleration
140986
Can the kinetic energy be a function of the position vector?
65463
Explanation: Simple Harmonic Motion
57852
Create a point on a phase portrait and draw a trajectory flow following the vector lines by time-passing
944
Conditions for vertical circular motion
24472
Graphs of the motions - physical
71870
Example of Converge in measure, but not converge point-wise a.e.?