Definition:Hamilton-Jacobi Equation

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Let $\map S {x_0, x_1, \mathbf y} = \map S {x, \mathbf y}$ be the geodetic distance, where $x_0$ is fixed and $x_1 = x$.

Let $H$ be Hamiltonian.

The differential equation:

$\displaystyle \frac {\partial S} {\partial x} + \map H {x, \mathbf y, \nabla_{\mathbf y} S} = 0$

is known as the Hamilton-Jacobi Equation.

Source of Name

This entry was named for William Rowan Hamilton and Carl Gustav Jacob Jacobi.