对有限维向量空间的研究总可以转化成对矩阵的研究，这是线性代数的核心特点。 线性变换的定义性质运算. 回顾中学阶段学过的函数：f(x) ... ... <看更多>

linear transformation A transformation in which the origin of reference frame doesn't change and new cordinate is obtained is linear function of old coordinate ... ... <看更多>