Matlab scatter plot set x-axis and y-axis

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Mohammed Hammad
Mohammed Hammad 2019-2-13
评论： Mohammed Hammad 2019-2-14
I have an array with two columns (date, value) to plot
What I want is to set the labels to show the values on y-axis (e.g 918.5345).
ALso, the x-axis to be just the values on (date) ... (e.g 2002 2003 2004 ...) and not 2002.5 2003.5
I use Matlab R2016a
Screenshot 2019-02-13 at 21.40.34.png
date = [2002 2003 2004 2005 ....] %sometimes 2003 2005 2006 2009 and so on%
value = [918.5345 918.5361 918.5354 ....]
When I plot a scatter as follows:
subplot(3,1,1);
hold on;
scatter(date,value,'+');
grid on
xlabel('Time')
ylabel('Y(m)')
hold off

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回答（1 个）

Nathan Jessurun
Nathan Jessurun 2019-2-13
Take a look at the xticks function:
plot(1:10)
% Only show 1, 5, 10 on the x axis
xticks([1 5 10])
What do you mean by you want to show labels on the y axis? Are you asking for this:
xData = 1:4;
yData = 1:5:20;
scatter(xData,yData);
xticks(xData);
yticks(yData);
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Nathan Jessurun
Nathan Jessurun 2019-2-14
I see that xticks was added in 2016b.
In your case, you can try
xData = 5:10;
yData = 800:200:1800;
scatter(xData,yData);
% Get current axis
fig = gcf;
ax = fig.Children;
ax.XTick = xData;
ax.YTick = yData;

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