作者josephHPSH (阿尚)
看板Math
標題[線代] 線性方程組有無解的問題
時間Fri Feb 10 15:37:54 2012
(a)If every cloumn of an augmented matrix contains a pivot, then the
corresponding system is consistent.
(b)If linear system Ax=b is inconstent for some b, then A cannot have a pivot
position in every row.
這是之前的期中考試題,
能不能請高人指點一下呢?
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◆ From: 114.37.32.26
推 xling5216 :我的想法是 Ramk(A)!=Rank(A|b) => 無解 02/12 23:59
→ xling5216 :(b)小題可以簡單看出不會每一列都有pivot 02/13 00:02