在線性代數中,常對角矩陣(又稱特普利茨矩陣)是指每條左上至右下的對角線均為常數的矩陣,不論是正方形或長方形的。例如:
任何這樣的n×n 矩陣 A :
都是常對角矩陣。假如將A的 i,j元寫做Ai,j,那麼
外部連結
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