Plot lines with different colors each iteration
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Hi,
The following code plots 5 lines, all in black. I want them different in colors for each iteration. This section is within a large loop.
Q = volymflode*3600;
H = DeltaPF_TOT/(((rho_varm+rho_kall)/2)*g);
vektor_Q(1,j)=Q;
vektor_H(1,j)=H;
figure(1);
title('Systemkurva');
plot(vektor_Q,vektor_H,'k-','LineWidth',1);
ylabel('Uppfodringshöjd [m]');
xlabel('Volymflöde [M^3/h]');
plot(Qpump1,Hpump1,'b-')
j=j+1;
hold on
How do i make this happen?
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답변 (2개)
Mohammad Alhashash
2018년 5월 12일
I've I assumed the loop index to be ii, then you can modify the plot portion of your code to be:
colorInd='ckyrb';
plot(vektor_Q,vektor_H,['-' colorInd(ii)],'LineWidth',1);
In this case, the color will be in the following order: 1.cyan 2.black 3.yallow 4.red 5.blue You can use whatever color you want by typing different symbols in colorInd variable.This may help also : https://www.mathworks.com/help/matlab/ref/linespec.html
Image Analyst
2018년 5월 12일
편집: Image Analyst
2018년 5월 12일
Simply get rid of the k
plot(vektor_Q, vektor_H, '-', 'LineWidth', 1);
ylabel('Uppfodringshöjd [m]');
xlabel('Volymflöde [M^3/h]');
hold on;
plot(Qpump1, Hpump1, 'b-', 'LineWidth', 2)
That will use the defined color order for plots, one of which is probably blue, so that's why I set the linewidth of your blue plot to 2 so you can tell the difference. If you want to specify the colororder, see attached demos.
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