• 特征值分解

    \(x^2 - x - 1 = 0\)

  • 移项,除以x,求x的非零解

    \(x = 1 + \frac{1}{x}, x = 1 + \frac{1}{1 + \frac{1}{1 + ...}}\)

  • 迭代

    \(x_{n + 1} = 1 + \frac{1}{x_n}\)
    \(x_0 = 1\)

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