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.
«Страшное дело, что происходит»Коронавирус превратил врачей с телевидения в знаменитостей. Почему россияне верят каждому их слову?5 января 2021，详情可参考91视频
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The union said it wanted to work with the government on non-pay items but, going forward, there still had to be movement on pay.