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 [求助]我写了个程序,每次的运行结果都在变 
		
		
		我写了个程序,可是每次的运行结果都在变..谁帮我看看... 
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 回复: [求助]谁帮我看看 
		
		
		下面是程序,急啊~~~~~ 
	T=20:20:200; a1=5.35583; a2=0.100473; a3=0.20692; a4=100; a5=11.34929; a6=1.5334e-2; b1=4.629e-7; b2=3.862e-8; b3=-0.89e-8; b4=2.657e-5; p=0.532;%波长532nm n=30; f=(T-24.5).*(T+570.832); mp=(a1+b1*f+(a2+b2*f)./(p^2-(a3+b3*f).^2)+(a4+b4*f)./(p^2-a5^2)-a6*p^2).^(1/2); mi=(a1+b1*f+(a2+b2*f)./(i.^2-(a3+b3*f).^2)+(a4+b4*f)./(i.^2-a5^2)-a6*i.^2).^(1/2); s=(1/p-1./i).^(-1); ms=(a1+b1*f+(a2+b2*f)./(s.^2-(a3+b3*f).^2)+(a4+b4*f)./(s.^2-a5^2)-a6*s.^2).^(1/2); i=mi.*(1/n+ms./s-mp/p); plot(T,s) xlabel('T(℃)') ylabel('λs(μm)')  | 
		
 回复: [求助]谁帮我看看 
		
		
		T=20:20:200; 
	a1=5.35583; a2=0.100473; a3=0.20692; a4=100; a5=11.34929; a6=1.5334e-2; b1=4.629e-7; b2=3.862e-8; b3=-0.89e-8; b4=2.657e-5; p=0.532;%波长532nm n=30; f=(T-24.5).*(T+570.832); mp=(a1+b1*f+(a2+b2*f)./(p^2-(a3+b3*f).^2)+(a4+b4*f)./(p^2-a5^2)-a6*p^2).^(1/2); mi=(a1+b1*f+(a2+b2*f)./(i.^2-(a3+b3*f).^2)+(a4+b4*f)./(i.^2-a5^2)-a6*i.^2).^(1/2); s=(1/p-1./i).^(-1); ms=(a1+b1*f+(a2+b2*f)./(s.^2-(a3+b3*f).^2)+(a4+b4*f)./(s.^2-a5^2)-a6*s.^2).^(1/2); i=mi.*(1/n+ms./s-mp/p); plot(T,s) xlabel('T(℃)') ylabel('λs(μm)') ____________________________________________________________________ 我看了你的程序,你的第16行,求mi的过程中,i的初值是多少?i如果是一个向量,它起码应该有初值吧?  | 
		
 回复: [求助]谁帮我看看 
		
		
		将S和MS两者的关系用图画出,前提是你需要知道S的大致范围! 
	他们之间不是有两个方程关系吗,就画两条线,在你规定的范围内应该有10个交点。取出,就可以  | 
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