Dear colleagues,(adsbygoogle = window.adsbygoogle || []).push({});

I have the following question in my head:

Give two canonical coordinates [tex]P[/tex], [tex]Q[/tex], and a corresponding set of equations of motions, not necessary solved.

Is it possible to find analytically the action [tex]S[/tex] and response [tex]R[/tex]functions of the system, which satisfy the relations:

[tex]\dfrac{\delta S}{\delta Q}=\dfrac{\delta R}{\delta \dot Q}[/tex]

[tex]\dfrac{\delta S}{\delta P}=\dfrac{\delta P}{\delta \dot P}[/tex]

Or this is just imagination?

Best Regards,

Jorge.

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Action and Response functions.

**Physics Forums | Science Articles, Homework Help, Discussion**