line color in figure
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I'd like to change the color of the diagonal axis. Please look at the picture below.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/160265/image.jpeg)
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Jan
le 30 Jan 2017
Which line is "the diagonal axis"? Please post your code and explain, what you have tried so far. Thanks.
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Stephen23
le 30 Jan 2017
Modifié(e) : Stephen23
le 30 Jan 2017
If you plot all of the lines at once then they will automatically be colored using the axes ColorOrder:
N = 16;
A = linspace(0,pi,N);
X = cos(A);
Y = sin(A);
X(2,:) = 0;
Y(2,:) = 0;
plot(X,Y)
axis equal
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/176937/image.png)
The documentation explains how the ColorOrder can be changed:
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