For a system of 
first-order ordinary differential equations (or more generally, Pfaffian
forms), the 
-dimensional
space consisting of the possible values of (
) is known as its phase space.
If 
, the phase space is known as a phase plane.
Phase Space
See also
Phase, Phase Flow, Phase Plane, Phase Portrait, World LineExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Phase Space." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PhaseSpace.html