[理工] 线代-求不变子空间

楼主: jinniw43805 (Mg镁)   2015-02-27 15:36:24
Let A be a 2x2 matrix , and call a line through the origin of R^2 invariant
under A if Ax lies on the line when x does, Find equations for all lines in
R^2 , if any, that are invariant under the matrix A = [ 4 -1 ]
[ 2 1 ]


黄老师例题的一题, 能找出 w= ax+by=0
这时候要考虑两种情况 ,一是a=0 和 a!=0 ,这时候就比较看不懂了
能告诉我思考方向吗?
作者: yyc2008 (MAGA)   2015-02-28 02:09:00
你的W是什么?答案是什么?

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