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ÎÒÓõÄÊÇ2010°æµÄ£¬ÏëҪѻ·Çó½âbessel·½³Ì£¬´úÂëÈçÏ£º syms b n M=10; lamda1 = 1000; lamda2 = 1200; lamda = linspace(lamda1,lamda2,M)*1e-9; deltalamda=(lamda2-lamda1)/M*1e-9; tic for k = 1:M V(k)=2*pi/lamda(k)*a1*sqrt(n1^2-n2^2) eq(k)=V(k)*sqrt(1-b(k))*besselj(1,V(k)*sqrt(1-b(k)))/besselj(0,V(k)*sqrt(1-b(k)))-V(k)*sqrt(b(k))*besselk(1,V(k)*sqrt(b(k)))/besselk(0,V(k)*sqrt(b(k))) b(k)=double(solve(eq(k))) n(k)=(b(k)*n1^2 - b(k)*n2^2 + n2^2)^(1/2) end µ«ÊÇËã²»³ö½á¹û,Ìáʾ˵£º ??? Error using ==> mupadmex Error in MuPAD command: Index exceeds matrix dimensions. Error in ==> sym.sym>sym.subsref at 1366 B = mupadmex('mllib::subsref',A.s,inds{:}); Çó¸ßÊÖÖ¸µã£¬Ð»Ð» |
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