matlab新手求指点function y=romberg(f,n,a,b) z=zeros(n,n);h=b-a;z(1,1)=(h/2)*(f(a)+f(b));f1=0;for i=2:nfor k=1:2^(i-2)f1=f1+f(a+(k-0.5)*h);endz(i,1)=0.5*z(i-1,1)+0.5*h*f1;h=h/2;f1=0;for j=2:iz(i,j)=z(i,j-1)+(z(i,j-1)-z(i-1,j-1))/(4^(j-1)-1);enden
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![matlab新手求指点function y=romberg(f,n,a,b) z=zeros(n,n);h=b-a;z(1,1)=(h/2)*(f(a)+f(b));f1=0;for i=2:nfor k=1:2^(i-2)f1=f1+f(a+(k-0.5)*h);endz(i,1)=0.5*z(i-1,1)+0.5*h*f1;h=h/2;f1=0;for j=2:iz(i,j)=z(i,j-1)+(z(i,j-1)-z(i-1,j-1))/(4^(j-1)-1);enden](/uploads/image/z/6110572-4-2.jpg?t=matlab%E6%96%B0%E6%89%8B%E6%B1%82%E6%8C%87%E7%82%B9function+y%3Dromberg%28f%2Cn%2Ca%2Cb%29+z%3Dzeros%28n%2Cn%29%3Bh%3Db-a%3Bz%281%2C1%29%3D%28h%2F2%29%2A%28f%28a%29%2Bf%28b%29%29%3Bf1%3D0%3Bfor+i%3D2%3Anfor+k%3D1%3A2%5E%28i-2%29f1%3Df1%2Bf%28a%2B%28k-0.5%29%2Ah%29%3Bendz%28i%2C1%29%3D0.5%2Az%28i-1%2C1%29%2B0.5%2Ah%2Af1%3Bh%3Dh%2F2%3Bf1%3D0%3Bfor+j%3D2%3Aiz%28i%2Cj%29%3Dz%28i%2Cj-1%29%2B%28z%28i%2Cj-1%29-z%28i-1%2Cj-1%29%29%2F%284%5E%28j-1%29-1%29%3Benden)
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