how can I plot phase portait of differential equations?

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ZHAO XU
ZHAO XU 2020-3-24
回答： darova 2020-3-24
hi there,
I'm trying to plot a graph with the following equations of motion:
how can i plot phase plane portait?
not x-y phase plane
thanks!
xz

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回答（1 个）

darova
darova 2020-3-24
Use meshgrid to create a mesh
Use diff to find u and v
Use quiver to create vectors
Use streamline to create phase portrait

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