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.
（四）对证人及其近亲属进行威胁、侮辱、殴打或者打击报复的；
，更多细节参见WPS官方版本下载
第十一条 办理治安案件所查获的毒品、淫秽物品等违禁品，赌具、赌资，吸食、注射毒品的用具以及直接用于实施违反治安管理行为的本人所有的工具，应当收缴，按照规定处理。
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Those are, perhaps, topics for future posts.