Change number of xTicks

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Rui 2014-12-27

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/168272-change-number-of-xticks

评论： Star Strider 2014-12-27

Hello, I am trying to make a graph like a boxplot using rectangles. I draw them in the figure to represent intervals. What I want is to appear something like, in the x-axis the name of the persons and in the y axis the intervals of the numbers they have.

For example:

If Peter has [1,2] and [3,4] I want the graph something like this :

But what I'm getting is this :

I use: ax = gca; set(ax, 'xticklabel', names);

to change the x-axis but what I need now is for the names to appear only once not many times.

Can anyone help me?

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Azzi Abdelmalek 2014-12-27

编辑：Azzi Abdelmalek 2014-12-27

Where is your code? a code that we can test

Rui 2014-12-27

编辑：Rui 2014-12-27

在 MATLAB Online 中打开

    names = {'Peter'};
    w = 0.5;            % Rectangle Width
    figure(1);
    axis([0 1   0 20]);
    rectangle('Position',[1-w/2  1 0.5  2], 'LineWidth',2);
    ax = gca;
    set(ax, 'xticklabel', names);

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Answer 1

Star Strider 2014-12-27

1
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/168272-change-number-of-xticks#answer_163422

在 MATLAB Online 中打开

You will have to experiment with your code, but when you set 'XTickLabel' values it is necessary to specify the 'XTick' locations as well.

For example:

names = {'Peter' 'Jürgen' 'Elizabeth' 'Jennifer'};
figure(1)
scatter(rand(10,1), rand(10,1))
xtk = get(gca, 'XTick');                                % Get 'XTick' Data For Information
set(gca, 'XTick', [1:2:8]/10, 'XTickLabel', names)

The line for ‘xtk’ will help you determine where the plotting command puts the 'XTick' values. It is helpful, but may not be necessary in your final code.