How to change Marker Color in line graph?

Question

Hassan Ashraf 2019-12-2

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/494272-how-to-change-marker-color-in-line-graph

评论： ME 2019-12-2

I am trying to change marker color of line graphs but unable to do it. Can anybody help to figure it out?

load('MCA_Disjoint.mat')
Data1LDA = MCA_Disjoint(: , 1);
Data2LDA = MCA_Disjoint(: , 3);
Data3LDA = MCA_Disjoint(: , 5);
WindowSizes = 50:25:450;
WindowSizes = WindowSizes';
f1=fit(WindowSizes,Data1LDA,'cubicinterp');
f2=fit(WindowSizes,Data2LDA,'cubicinterp');
f3=fit(WindowSizes,Data3LDA,'cubicinterp');
figure
hold on
p(1,:) = plot(f1,WindowSizes,Data1LDA);
p(2,:) = plot(f2,WindowSizes,Data2LDA);
p(3,:) = plot(f3,WindowSizes,Data3LDA);
set(p(1,2),'Color','red')
set(p(2,2),'Color','black')
set(p(3,2),'Color','blue')
set(p, 'LineWidth', 2, 'MarkerSize', 20)

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ME 2019-12-2

Do you get a particular error message or does it just not produce anything?

Hassan Ashraf 2019-12-2

I am trying following methods but nothing is happening

1 ) Using this

set(p(1,2),'MarkerFaceColor ','red')

set(p(2,2),'MarkerFaceColor ','black')

set(p(3,2),'MarkerFaceColor ','blue')

2) OR using this

set(p, 'LineWidth', 2, 'MarkerSize', 20, 'MarkerFaceColor ' , ' red')

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Answer 1

ME 2019-12-2

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/494272-how-to-change-marker-color-in-line-graph#answer_404249

在 MATLAB Online 中打开

Can you try the below and let us know what happens please? I don't have the necessary toolboxes to check it myself.

load('MCA_Disjoint.mat')
Data1LDA = MCA_Disjoint(: , 1);
Data2LDA = MCA_Disjoint(: , 3);
Data3LDA = MCA_Disjoint(: , 5);
WindowSizes = 50:25:450;
WindowSizes = WindowSizes';
f1=fit(WindowSizes,Data1LDA,'cubicinterp');
f2=fit(WindowSizes,Data2LDA,'cubicinterp');
f3=fit(WindowSizes,Data3LDA,'cubicinterp');
figure
hold on
pl1 = plot(f1,WindowSizes,Data1LDA);
pl2 = plot(f2,WindowSizes,Data2LDA);
pl3 = plot(f3,WindowSizes,Data3LDA);
set(pl1(2),'Color','red')
set(pl2(2),'Color','black')
set(pl3(2),'Color','blue')
set([pl1 pl2 pl3], 'LineWidth', 2, 'MarkerSize', 20)

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Hassan Ashraf 2019-12-2

Dont know how to change marker color from blue to black, red and blue for three lines respectively

ME 2019-12-2

In that case, without being able to access the toolboxes to run the fit function I am unable to play around with this to get it doing what you want. I think I'm going to have to leave it to somebody else to help out.

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