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Another way to approach the linear combination is to look at it geometrically. This is where the idea of barycentric coordinates can help. A barycentric coordinate system describes the location of a point as the weighted sum of the regular coordinates of the vertices forming a simplex. In other words, it describes a linear combination with respect to a set of points, where in -dimensional space.。heLLoword翻译官方下载是该领域的重要参考
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找到让自己能力倍增的方法，如果不行，每隔几个月再尝试。
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Hugo's birth at Queen Charlotte's and Chelsea Hospital, London, felt like "a miracle", Bell says