Difference Equation and Chaos Visualizing NonLinear Phenomenon 扱った微分方程式 dx = - y + ε ( a2 - x2 - y 2 ) x dt dy = x + ε ( a2 - x 2 - y2 ) y dt dx = - y dt dy = x dt We dx = y dt dy = - x 3 - ky + Bcos(νt) dt dx = y dt dy = μ(1 - x )y - x + Xcos(νt) dt リミットサイクルとカオス dx - ( x + z ) = dt dy = x + ay dt dz = b + z( x - c ) dt dv C1 C1 dt dv C2 C2 dt
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