Scale on x-axis
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I have a vector of 256 data points which is equal to 0.8 ms in total. How do I set the scale from 0 to 0.8, with steps for example of 0.2?
回答（2 个）
HWIK
2022-1-15
Try this:
set(gca, 'XTick', 0:0.2:0.8)
6 个评论
Sebastian Daneli
2022-1-15
Star Strider
2022-1-15
Perhaps:
set(gca, 'XTick', 0:0.2:0.8, 'XScale','log')
.
Sebastian Daneli
2022-1-15
编辑：Sebastian Daneli
2022-1-15
It works quite nicely. And while I do not have your data, it is easy enough to make a plot.
x = linspace(0,0.8,256); y = sin(x);
plot(x,y,'-')
set(gca, 'XTick', 0:0.2:0.8)
If all you tell people is that something does not work, then you will need to explain just what about the plot I have created is not exactly what you requested?
Star Strider
2022-1-15
I completely failed Mind Reading 101 as an undergraduate, and as the result decided to major in Chemistry instead. It was easier.
John D'Errico
2022-1-15
Yes, but mind reading is soooo much more fun!
Image Analyst
2022-1-16
Use the xticks(0:0.2:0.8) function:
Full demo:
% Create sample data.
x = linspace(0, 0.8, 256);
period = 0.2;
y = sin(2 * pi * x / period);
plot(x, y, 'b-', 'LineWidth', 3)
grid on
% Current tick marks are 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8.
% Make them 0, 0.2, 0.4, 0.6, 0.8 using the xticks() function:
xticks(0 : 0.2: 0.8)
It replaces the old set(gca, 'XTick', 0:0.2:0.8) way of doing it (since r2016b).
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