In the inner product space, the existence theory of best approximation element was obtained and described.

获得了内积空间关于弱闭凸集的最佳逼近元的存在性及其刻划定理.

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In order to ensure that we obtain the best approximation, we take all possible combinations.

为确保我们获得最佳接近值, 我们要考虑所有可能的组合.

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But respect answers are in the affirmative in the theory of best approximation.

而在最佳逼近论中它们的相应回答均是肯定的.

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