Let \(P\) and \(Q\) be infinitely differentiable. Prove that \(x'=P(x,y)\), \(y'=Q(x,y)\) is a Hamiltonian system iff \(x'=Q(x,y)\), \(y'=-P(x,y)\) is a gradient system.
Question
Math 6410 • ODE
Fall 1994 • Question 3
Question
Fall 1994 • Question 3
Let \(P\) and \(Q\) be infinitely differentiable. Prove that \(x'=P(x,y)\), \(y'=Q(x,y)\) is a Hamiltonian system iff \(x'=Q(x,y)\), \(y'=-P(x,y)\) is a gradient system.