多項式の結晶 / Crystals of Polynomials

\[f: \mathbb{R}^2 \to \mathbb{R}^2, \quad \mathbf{x}_{n+1} = M\Psi(\mathbf{x}_n)\]

\(\Psi(x,y) = [1, x, y, x^2, xy, y^2]^\top\)

標本

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\[M = \begin{pmatrix} 0.20467 & -0.177791 & -0.801827 & 0.928145 & -0.092208 & -1.169119 \\ 0.274864 & 1.471121 & 0.332481 & 2.012439 & 0.766098 & -0.644455 \end{pmatrix} \]