The first solution is perfectly workable, but it might be nice to have an even more seamless and invisible infinite vector.

第一个解决方案是有效的，但是最好能够有更无缝的和不可见的无限向量。

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He proposed a statistical tool, the vector autoregression (VAR), as a solution to this problem.

他提出了一个统计工具，向量自回归(VAR)，来解决这一问题。

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Therefore, the optimal solution is the farthest point on the polyhedron boundary from the axis' origin using the direction (1,-1) as a direction vector.

因此，优化解决方案是从轴的原点沿 (1,-1) 方向作为方向向量指向多面体边界的最远点。

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