笛卡尔坐标系下的向量表示

列向量

$$\mathbf{A}=\left(\begin{array}{c}x\\ y\end{array}\right)$$

行向量(转置矩阵)

$${\mathbf{A}}^{\mathbf{T}}=\left(\begin{array}{cc}x& y\end{array}\right)$$

向量的 模

$$\Vert \begin{array}{c}\vec{a}\end{array}\Vert =\sqrt{x^2+y^2}$$

本文标题：笛卡尔坐标系下的向量表示

永久链接：https://iceprosurface.com/linear-algebra/vector-under-cartesian-coordinate/

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