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在金融中,5 只股票的 5 * 5 相关性矩阵:对称,对角 = 1 。多少个唯一值?(答: 10 。)
在金融中,5 只股票的 5 * 5 相关性矩阵:对称,对角 = 1 。多少个唯一值?(答: 10 。)
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