因?yàn)?(B^2)^T = (B^T)^2 = (-B)^2 = B^2
所以 B^2 是對(duì)稱矩陣.
Sorry,剛看到你這問(wèn)題
A為n階對(duì)稱矩陣,B為n階反對(duì)稱矩陣,證明B^2是對(duì)稱矩陣,火速!
A為n階對(duì)稱矩陣,B為n階反對(duì)稱矩陣,證明B^2是對(duì)稱矩陣,火速!
數(shù)學(xué)人氣：917 ℃時(shí)間：2020-04-28 04:15:12
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