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8F→:quotient?04/23 23:37
3F→:兩面夾角=兩面法向量夾角 鍵剛好是其中一面之法向量12/10 15:03
4F→:唯一要注意的是法向量有兩種取法 兩種剛好是補角12/10 15:09
1F→:U^*B^*A^*VV^*ABU=U^*B^*AVV^*A^*BU12/08 15:09
2F→:=V^*A^*BUU^*B^*AV=V^*A^*B^*UU^*BAV12/08 15:10
4F→:就A^*A= AA^* A和A^*互換而已 U,V是unitary VV^*=I12/08 19:20
5F→:另外第二個等號因為對角矩陣可以任意交換12/08 19:50
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