how to change colors of lines in a plot to exist on a scale

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Em 2021-11-27

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https://ww2.mathworks.cn/matlabcentral/answers/1597364-how-to-change-colors-of-lines-in-a-plot-to-exist-on-a-scale

回答： DGM 2021-11-27

Does anyone know how to change the colours of lines in a plot so that they exist on a scale?

My current code:

plot(powerpc,abs(depth70mms_02),powerpc,abs(depth70mms_03),powerpc,abs(depth70mms_04),powerpc,abs(depth70mms_05),powerpc,abs(depth70mms_06),powerpc,abs(depth70mms_07),powerpc,abs(depth70mms_08),powerpc,abs(depth70mms_09))

ylabel('Track Depth of 0.9 D.R. laser');

xlabel('Laser Power/mW');

Thank you!

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Answer 1

DGM 2021-11-27

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https://ww2.mathworks.cn/matlabcentral/answers/1597364-how-to-change-colors-of-lines-in-a-plot-to-exist-on-a-scale#answer_841824

在 MATLAB Online 中打开

What exactly do you mean by "on a scale"?

If what you're looking for is a means to have the line colors share a continuous colormap, then you can do that by setting the 'colororder' property of the parent axes.

N = 14; % number of lines in plot

% test data

x = linspace(0,1,100);

g = [1:N/2 1./(1:N/2)].';

y = x.^g;

% plot it

plot(x,y,'linewidth',2);

% pick some colormap and apply it to the colororder property

mycolortable = parula(N);

set(gca,'colororder',mycolortable)