error using plot vectors must be the same length
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Heya :)
le 1 Oct 2020
Réponse apportée : Asad (Mehrzad) Khoddam
le 1 Oct 2020
Why i am getting this error in plot (Data, hx,) and how to fix it?
This is my code
for i=2:test_points
x_rec(i)=c1+c2*x_rec(i-1)+c3*hx(i-1)+c4*x_rec(i-1)*hx(i-1)+c5*x_rec(i-1)^2+c6*hx(i-1)^2+c7*x_rec(i-1)^2*hx(i-1)^2;
hx(i)=d1+d2*x_rec(i-1)+d3*hx(i-1)+d4*x_rec(i-1)*hx(i-1)+d5*x_rec(i-1)^2+d6*hx(i-1)^2+d7*x_rec(i-1)^2*hx(i-1)^2;
x_real(i)=x(start_point+i-1);
error=error+(x_rec(i)-x_real(i))^2;
DN=DN+x_real(i)^2;
end
Error_x(count)=sqrt(error)/sqrt(DN);
end
figure
hold on
plot (Data,Error_x,'s-r')
plot (Data,hx,'s-b')
This is the error
Vectors must be the same length.
Error in PE_HT (line 136)
plot (Data,hx,'s-b')
2 commentaires
Réponse acceptée
Asad (Mehrzad) Khoddam
le 1 Oct 2020
try to use this line of code inside the loop. For now, the code returns a single point for error;
for i=2:test_points
x_rec(i)=c1+c2*x_rec(i-1)+c3*hx(i-1)+c4*x_rec(i-1)*hx(i-1)+c5*x_rec(i-1)^2+c6*hx(i-1)^2+c7*x_rec(i-1)^2*hx(i-1)^2;
hx(i)=d1+d2*x_rec(i-1)+d3*hx(i-1)+d4*x_rec(i-1)*hx(i-1)+d5*x_rec(i-1)^2+d6*hx(i-1)^2+d7*x_rec(i-1)^2*hx(i-1)^2;
x_real(i)=x(start_point+i-1);
error=error+(x_rec(i)-x_real(i))^2;
DN=DN+x_real(i)^2;
Error_x(i)=sqrt(error)/sqrt(DN);
end
end
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