||
创建时空可变系多线矢物理学(61).电磁场强度2-线矢量场
(接(60))
[r偏分矢D(b)] ={[基矢(x)][r偏分(b,x)],x从0到3求和}
[r偏分矢D(b)]叉乘[矢A(c,b)]={iE((c,b)j)[基矢(0j)]+H((c,b)j)[基矢(kl)],jkl=123循环}
其中E((c,b)j)、H((c,b)j)分别为电荷q(c),在b点的电、磁场强度j分量的模长:
iE((c,b)j)=(DA)(b(c,b)0j)
=(W(r,b0)[r偏分(b,0)]A(c,(b-c)j)-W(r,bj)[r偏分(b,j)]A(c,(b-c)0)
+[A(c,(b-c)x)(W(r,b0)[l偏分(b,0)]w(j,x0)/[r偏分(b,0)])
- W(r,bj)[l偏分(b,j)]w(0,xj)/[r偏分(b,j)]),x=0到3求和],
H((c,b)j)=(DA) (b(c,b)kl)
=(W(r,bk)[r偏分(b,k)]A(c,(b-c)l)-W(r,bl)[r偏分(b,l)]A(c,(b-c)k)
+[A(c,(b-c)x)(W(r,bk)[l偏分(b,k)]w(l,xk)/[r偏分(b,k)])
- W(r,bl)[l偏分(b,l)]w(k,xl)/[r偏分(b,l)]),x=0到3求和],
(DA) (b(c,b)fg)
=(W(r,bf)[r偏分(b,f)]A(c,(b-c)g)-W(r,bg)[r偏分(b,g)]A(c,(b-c)f)
+[A(c,(b-c)x)(W(r,bkf)[l偏分(b,f)]w(g,xf)/[r偏分(b,f)])
- W(r,bg)[l偏分(b,g)]w(f,xg)/[r偏分(b,g)]),x=0到3求和],
fg = 01,02,03,23,31,12
(未完待续)
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