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2 资产马科维茨:在 w_1 + w_2 = 1 约束下最小化 w_1^2 + 2w_2^2 。最优权重?(答:。)
2 资产马科维茨:在 w_1 + w_2 = 1 约束下最小化 w_1^2 + 2w_2^2 。最优权重?(答:。)
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