how can plot this figure?

Question

Sahar abdalah 2015-8-7

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关闭： MATLAB Answer Bot 2021-8-20

Hello, please I want to plot a figure like this, please help me , how can do it? any implementation and thanks in advance

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Azzi Abdelmalek 2015-8-7

What about your data?

Sahar abdalah 2015-8-7

在 MATLAB Online 中打开

I have a vector that contain number of class

numberclass=[50,100,250,500,1000]

I want to plot the variation of result between 3 feature : the accuracy of the feature1 is :

Accuracy1=[94,90,88,79,77]

the accuracy of the feature2 is :

Accuracy2=[90,80,79,75,71]

the accuracy of the feature3 is :

Accuracy3=[98,90,85,70,60]

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Answer 1

Star Strider 2015-8-7

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Use the hold function to put multiple plots on the same set of axes:

numberclass=[50,100,250,500,1000];
Accuracy1=[94,90,88,79,77];
Accuracy2=[90,80,79,75,71];
Accuracy3=[98,90,85,70,60];
figure(1)
plot(numberclass, Accuracy1)
hold on
plot(numberclass, Accuracy2)
plot(numberclass, Accuracy3)
hold off
grid
xlabel('Number of selected classes')
ylabel('Classification Accuracy')

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Sahar abdalah 2015-8-7

thank you for your answer, but I want to have another result like image in the question with colors and details.Can you help me?

Star Strider 2015-8-7

My pleasure.

The documentation for the plot and legend functions have all the information you need to make a plot like the one you provided in your Question. Anything I would provide here would simply be restating what is already in the documentation.