Matlab7的?Error using ==> mrdivide Matrix dimensions must agree.a=1;b=1;k=1;x=1:0.1:20;NA=-pi/2k/(asin(a/x)+(a/x).sqrt(1-(a/x).^2));w=1:0.01:200;K=10;num=K;den=conv([0.5 1 0],[0.2 1]);[rem,img,w]=Nyquist(num,den,w);plot(real(NA),img(NA),rem,img)gr

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Matlab7的?Error using ==> mrdivide Matrix dimensions must agree.a=1;b=1;k=1;x=1:0.1:20;NA=-pi/2*k/(asin(a/x)+(a/x).*sqrt(1-(a/x).^2));w=1:0.01:200;K=10;num=K;den=conv([0.5 1 0],[0.2 1]);[rem,img,w]=Nyquist(num,den,w);plot(real(NA),img(NA),rem,img)gr

Matlab7的?Error using ==> mrdivide Matrix dimensions must agree.a=1;b=1;k=1;x=1:0.1:20;NA=-pi/2k/(asin(a/x)+(a/x).sqrt(1-(a/x).^2));w=1:0.01:200;K=10;num=K;den=conv([0.5 1 0],[0.2 1]);[rem,img,w]=Nyquist(num,den,w);plot(real(NA),img(NA),rem,img)gr