the description
Results of the Lyapunov function test
Fixed points
stable
Δ V = 0
q 0 = ( 0 , 0 )
Δ V = − 0.84
q 1 = ( 1 , 0 )
Δ V = − 0.4647
q 2 = ( 0.5454 , 0.5454 )