[問題]線代問題...希望高手幫忙...謝謝
由 cloudsea 於 星期三 四月 19, 2006 7:25 pm
#ed_op#DIV#ed_cl#Suppose A is a 3*3 matric with trace (A) = detA = 0 . Show that A^3 = αA for some constant α 不曉得要從何做起,本來想說用eigenvalue三個相加為0且相乘為0可以得到方向...但這樣感覺還是沒解出個所以然來一一...希望大大幫忙解惑一下...謝謝...#ed_op#/DIV#ed_cl#