List questions from hamilton-equations

Published on 10 May 2026 - 21:20

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Reference request: Why is an integrable system called an integrable system and why is the dynamical billiard on a disk completely integrable?

Published on 12 Apr 2026 - 7:12

168

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Conditions for a vector field to be complete.

Published on 25 Mar 2026 - 9:23

66

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Instability of equilibrium points of system $x'=y^3$, $y'=\cos(x)\sin(x)$

Published on 25 Mar 2026 - 11:06

17

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unknown manipulation to deal with variation and obtain energy balance equation?

Published on 14 Mar 2026 - 5:41

86

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What assumption of Noether's theorem fails in this Hamiltonian system with infinitely many particles?

Published on 25 Mar 2026 - 11:07

116

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The use of subscripts in L11 E04 - Classical Mechanics by Leonard Susskind

Published on 25 Mar 2026 - 11:03

52

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Constructing diagonalizable matricies such that matrix exponential of their product is easy to compute.

Published on 11 Apr 2026 - 16:35

33

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Choosing correct parameters in a model with hamiltonian equation

Published on 22 Apr 2026 - 9:45

37

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When do skew symmetric and symmetric positive definite matricies commute?

Published on 25 Mar 2026 - 9:28

54

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Hamiltonians and symplectic transformations

Published on 25 Mar 2026 - 9:31

67

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Transform a differential equation into Hamiltonian form

Published on 11 Apr 2026 - 18:36

24

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$\frac{d}{dt}(d\psi^t)_x(Z)=(d\psi^t)_x([X_H,Z])$ for a critical point $x$ of a Hamiltonian $H$

Published on 25 Mar 2026 - 9:30

49

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Conversion from cartesian coordinates to generalized coordinates

Published on 25 Mar 2026 - 9:22

60

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Canonical transformation for hamiltonian system possessing first integral

Published on 10 May 2026 - 16:27

List Question

Is there any practical use for octonions?

Reference request: Why is an integrable system called an integrable system and why is the dynamical billiard on a disk completely integrable?

Conditions for a vector field to be complete.

Instability of equilibrium points of system $x'=y^3$, $y'=\cos(x)\sin(x)$

unknown manipulation to deal with variation and obtain energy balance equation?

What assumption of Noether's theorem fails in this Hamiltonian system with infinitely many particles?

The use of subscripts in L11 E04 - Classical Mechanics by Leonard Susskind

Constructing diagonalizable matricies such that matrix exponential of their product is easy to compute.

Choosing correct parameters in a model with hamiltonian equation

When do skew symmetric and symmetric positive definite matricies commute?

Hamiltonians and symplectic transformations

Transform a differential equation into Hamiltonian form

$\frac{d}{dt}(d\psi^t)_x(Z)=(d\psi^t)_x([X_H,Z])$ for a critical point $x$ of a Hamiltonian $H$

Conversion from cartesian coordinates to generalized coordinates

Canonical transformation for hamiltonian system possessing first integral

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