[線代] common eigenvector
黃子嘉的線代 5-4 範例16
Assume that A and B are n*n matrices over C with AB = BA. Show that A
and B have a common eigenvector.
不懂的是他開頭的寫法:
因為佈於C, 所以A具有 eigenvalue lambda (請問這邊是怎麼來的?)
還有下一段:
因為佈於C, 所以B_V(lambda) 具有eigenvector y in V(lambda) ?
B_V(lambda) 是 B restrict to V(lambda)
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