||
创建时空可变系多线矢物理学(84)对于,[矢A(X,n)],[矢B(X,n)],各分量模长的任意函数G(A(X,n)(x),B(X,n)(x)), 有:
(接(83))
[G时间导数]={[偏G/偏A(X,n)(x)]W(A(X,n)(x))A(X,n)(x)时间导数
+[偏G/偏B(X,n)(x)]W(B(X,n)(x))B(X,n)(x)时间导数,
(x)=(x)1,(x)2,…,(x)n求和}
={[偏G/偏A(X,n)(x)][偏H/偏B(X,n)(x)]
-[偏G/偏B(X,n)(x)][偏H/偏A(X,n)(x)],
(x)=(x)1,(x)2,…,(x)n求和}
=[H,G],
(未完待续)
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