Garland +

MIT 18.06

Introduction to Vectors

the combinations cv+dw file the whole two-dimensional plane

The sum of cv and dw is a linear combination cv+dw

The vector (x, y) in the plane is different from (x,y,0) in 3-space

方程组的几何解释

用行和列进行矩阵操作

消元法求解方程

行交换可以解决消元失效的问题

列变换矩阵右乘,行变换矩阵左乘

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