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Inconsistent row/column dimensions.

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shiv gaur
shiv gaur 2022-2-10
评论： KSSV 2022-2-10
l=633*(10)^(-9);
k0=(2*pi)/l;
nc=1.33;
na=1.43265;
nf=1.59;
nm=0.064+1i*4;
ns=1.49;
a=54:0.01:70
df=1:1:300;
nf=1.59;
k0=(2*pi/633);
Nm=nf*sind(a);
Snc=zeros(length(a),length(df));
Sna=zeros(length(a),length(df));
Sda=zeros(length(a),length(df));
p=1;
ds=((1-p)./(k0.*sqrt(Nm.^2-ns.^2)))+(p./((Nm./nf).^2+(Nm./ns).^2-1).*(k0.*sqrt(Nm.^2-ns.^2)));
dc=((1-p)./(k0.*sqrt(Nm.^2-nc.^2)))+(p./((Nm./nf).^2+(Nm./nc).^2-1).*(k0.*sqrt(Nm.^2-nc.^2)));
da=((1-p)./(k0.*sqrt(Nm.^2-na.^2)))+(p./((Nm./nf).^2+(Nm./na).^2-1).*(k0.*sqrt(Nm.^2-na.^2)));
Snc= ((nc/Nm).*((nf.^2-Nm.^2)./(nf.^2-nc.^2)).*(dc./(ds+df+dc)).*(2.*(Nm.^2./nc.^2)-1));
Sna= ((na./Nm).*((nf.^2-Nm.^2)./(nf.^2-na.^2)).*(da./(ds+df+da)).*(2.*(Nm.^2./na.^2)-1));
Sda= (((nf.^2-Nm.^2)./(Nm.*(ds+df+dc))).*((na.^2-nc.^2)./(nf.^2-nc.^2)).*((((Nm./nc).^2)+((Nm./na).^2)-1)./( ((Nm./nc).^2)+((Nm./nf).^2)-1))).^p;
plot(df,Snc)

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采纳的回答

KSSV
KSSV 2022-2-10
Ran in:
l=633*(10)^(-9);
k0=(2*pi)/l;
nc=1.33;
na=1.43265;
nf=1.59;
nm=0.064+1i*4;
ns=1.49;
a=54:0.01:70 ;
df=linspace(1,300,length(a));
nf=1.59;
k0=(2*pi/633);
Nm=nf*sind(a);
p=1;
ds=((1-p)./(k0.*sqrt(Nm.^2-ns.^2)))+(p./((Nm./nf).^2+(Nm./ns).^2-1).*(k0.*sqrt(Nm.^2-ns.^2)));
dc=((1-p)./(k0.*sqrt(Nm.^2-nc.^2)))+(p./((Nm./nf).^2+(Nm./nc).^2-1).*(k0.*sqrt(Nm.^2-nc.^2)));
da=((1-p)./(k0.*sqrt(Nm.^2-na.^2)))+(p./((Nm./nf).^2+(Nm./na).^2-1).*(k0.*sqrt(Nm.^2-na.^2)));
Snc= ((nc./Nm).*((nf.^2-Nm.^2)./(nf.^2-nc.^2)).*(dc./(ds+df+dc)).*(2.*(Nm.^2./nc.^2)-1));
Sna= ((na./Nm).*((nf.^2-Nm.^2)./(nf.^2-na.^2)).*(da./(ds+df+da)).*(2.*(Nm.^2./na.^2)-1));
Sda= (((nf.^2-Nm.^2)./(Nm.*(ds+df+dc))).*((na.^2-nc.^2)./(nf.^2-nc.^2)).*((((Nm./nc).^2)+((Nm./na).^2)-1)./( ((Nm./nc).^2)+((Nm./nf).^2)-1))).^p;
plot(df,Snc)
Warning: Imaginary parts of complex X and/or Y arguments ignored.
  8 个评论
显示 6更早的评论
shiv gaur
shiv gaur 2022-2-10
for exaple this type of program example program for use of zeros for initialization
function kk1
clc;clear;close all;
l=633;
c = 1;
k0=2*pi/l;
ea=1.39;
da=1:300;
theta=1:70;
y=zeros(length(theta),length(da));
np=1.5;
x=(2*pi/l)*np*sind(theta);
function y=f(theta,da)
for i=1:length(theta)
iter = 0;
for j=1:length(da)
iter
ka=k0*sqrt(ea-x.^2);
f=(1-exp(2*1i.*da(j).*ka(i)))/(1+exp(2*1i.*da(j).*ka(i)));
%pfms=2*atan(1i*a.*b);
y(i,j)=2*atan(1i*c.*f);
% disp(y);
iter = iter + 1;
end
end
end
plot(da,y )
end
KSSV
KSSV 2022-2-10
Jeez you want to use initilization?
If you are using a loop and filling values into it, you have to initalize the array using zeros.
If you are not using loop and getting the LHS by vectorization, no loop is needed.

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更多回答（1 个）

Gonzalo Martínez de Pissón
It seems there is a problem in Snc solution. ds and dc are vectors of 1601 elements whereas df has 300 elements.
Snc= ((nc/Nm).*((nf.^2-Nm.^2)./(nf.^2-nc.^2)).*(dc./(ds+df+dc)).*(2.*(Nm.^2./nc.^2)-1));
The same in Sna line:
Sna= ((na./Nm).*((nf.^2-Nm.^2)./(nf.^2-na.^2)).*(da./(ds+df+da)).*(2.*(Nm.^2./na.^2)-1));
I don't know the aim of df but try initializing the same length as ds.

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