作者a520683 (小YA)
看板Math
标题[线代] 有关可逆矩阵
时间Wed Mar 9 19:37:30 2011
Given two vectors x,y属於R*n,is the matrix I-xy*t invertible?
If it is, find its inverse.
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1F：→ Sfly :I-xy* is invertible iff <x,y>!=1. 03/09 20:07
2F：→ a520683 :楼上是什麽意思?我不太懂@@ 03/09 20:19
3F：→ herstein :想想等比级数(1-r)^-1=1+r+r^2+... 03/10 12:12