VectorSubtraction
2011-09-20 17:14:00 来源：网络整理 双击单词自动翻译
作文地带导读：It’s the same vector as its positive counterpart, only pointing in the opposite direction. A – B, then, is the same thing as A + (–B). For instance, let’s take the two vectors A and B: To subtract B from A, take a ve
A – B, then, is the same thing as A + (–B). For instance, let’s take the two vectors A and B:
To subtract B from A, take a vector of the same magnitude as B, but pointing in the opposite direction, and add that vector to A, using either the tip-to-tail method or the parallelogram method.
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相关热词搜索：Vector Subtraction is same neg
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