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Answers for “当向量乘以负标量时会发生什么?”

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To add vectors, you add their corresponding components. This means if you have two vectors, you sum the first component of each to get the first component of the result, and similarly for the second component.

Conditions: The vectors must have the same dimension (e.g., both are 2D or both are 3D).; The components are aligned by position (first with first, second with second).