[線代] 矩陣表示法跟換底公式觀念請教
圈起來的地方是用[I][L_A]
想問為什麼不是使用[I][L][I]的形式?
什麼時候是用[I][L][I],什麼時候是只需用[I][L]或[L][I]?
搞不太懂...
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