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方程组(行空间)角度可以用平行来理解,空间变换(列空间)角度可以用向量的线性组合来理解.
这是一个超级屌的等式. 可以看出,列空间是所有(x * 列向量+y*列向量+...)的向量和,而它们等于b. 用二维举例就是两个向量的线性组合等于b.
0+0=0
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可解性的解释
Ax=b solvable when b is in column space of a
if the combination of rows gives the zero row,b either
The text was updated successfully, but these errors were encountered: