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单词 Linear independence
释义

Linear independence

中文百科

线性无关

在线性代数里,矢量空间的一组元素中,若没有矢量可用有限个其他矢量的线性组合所表示,则称为线性无关线性独立linearly independent),反之称为线性相关linearly dependent)。例如在三维欧几里得空间R的三个矢量(1, 0, 0),(0, 1, 0)和(0, 0, 1)线性无关。但(2, 1, 1),(1, 0, 1)和(3, 1, 2)线性相关,因为第三个是前两个的和。

英语百科

Linear independence 线性无关

The vectors in a set T=\{\vec v_1,\vec v_2,\dots,\vec v_n\} are said to be linearly independent if the equation

can only be satisfied by a_i=0 for i=1,\dots,n. This implies that no vector in the set can be represented as a linear combination of the remaining vectors in the set. In other words, a set of vectors is linearly independent if the only representations of 0 as a linear combination of its vectors is the trivial representation in which all the scalars ai are zero.

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更新时间:2025/6/24 1:03:48