Scale on x-axis

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Sebastian Daneli
Sebastian Daneli 2022-1-15
回答： Image Analyst 2022-1-16
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?

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回答（2 个）

HWIK
HWIK 2022-1-15
Try this:
set(gca, 'XTick', 0:0.2:0.8)
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Star Strider
Star Strider 2022-1-15
@Sebastian Daneli — Please define what ‘does not work’ means in your previous Comment.
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
John D'Errico 2022-1-15
Yes, but mind reading is soooo much more fun!

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Image Analyst
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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