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In: Advanced Math

x'=y-x+(x^3)/7 y' =-x Lyapunov function Ax^2+By^2 for A,B constant. Show stability & define circle for stability...

x'=y-x+(x^3)/7
y' =-x
Lyapunov function Ax^2+By^2 for A,B constant.
Show stability & define circle for stability area if attraction.

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