Error in '''''Invalid first data argument''''

ragini k

2018 8 29

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x=0:5:40; plot(x,C1,'g','-','linewidth',2); xlabel('P[dB]'); ylabel('secerecy rate'); grid on; C1 also a set of values with length same of x

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madhan ravi 2018-8-29

编辑：madhan ravi 2018-8-29

plot(x,C1,'-g','linewidth',2) you were using the line marker incorrectly. The rest of the codes were perfect.

ragini k 2018-8-29

Thanks a lot

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KALYAN ACHARJYA 2018-8-29

编辑：KALYAN ACHARJYA 2018-8-29

在 MATLAB Online 中打开

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clc
clear all
close all;
rp=10; 
N=10^-6; 
idx=1; 
Is3=zeros(1,length([0:5:40])); 
for sp=0:5:40 
    sp_l=10^(sp/10); 
    hsd=abs(randn(1,1)+i*randn(1,1)).^2; 
    hsdd=hsd*((sp_l*80^-3)/N); 
    hrd1=abs(randn(1,1)+i*randn(1,1)).^2; 
    hrdd=hrd1*((rp*50^-3)/N); 
    hrd2=abs(randn(1,1)+i*randn(1,1)).^2; 
    hrddd=hrd2*((rp*30^-3)/N); 
    hse=abs(randn(1,1)+i*randn(1,1)).^2; 
    hse1=hse*((sp_l*100^-3)/N); 
    hre=abs(randn(1,1)+i*randn(1,1)).^2;
    hre1=hre*((rp*70^-3)/N); 
    hree=abs(randn(1,1)+i*randn(1,1)).^2; 
    hre2=hree*((rp*50^-3)/N); 
    C1(idx)=(1/2)*log2(1+hsdd+hrdd)-(1/2)*log2(1+hse1+hre1); 
    C2(idx)=(1/2)*log2(1+hsdd+hrddd)-(1/2)*log2(1+hse1+hre2); 
    idx=idx+1; 
end
x=0:5:40; 
plot(x,C1,'g','linewidth',2); 
xlabel('P[dB]'); ylabel('secerecy rate'); grid on;