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How can I change the font size of plot tick labels?

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Gene Polovy
Gene Polovy 2015 年 1 月 31 日
編集済み: Hamid Motallebzadeh 2020 年 12 月 2 日
I am trying to change the font size of the tick labels (the numbers) in my plots. (Just to be clear, I am NOT referring to the axis labels.)

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採用された回答

Star Strider
Star Strider 2015 年 1 月 31 日
編集済み: MathWorks Support Team 2018 年 11 月 27 日
You can change the font size of the tick labels by setting the FontSize property of the Axes object. The FontSize property affects the tick labels and any axis labels. If you want the axis labels to be a different size than the tick labels, then create the axis labels after setting the font size for the rest of the axes text.
For example, access the current Axes object using the gca function. Use dot notation to set the FontSize property for the Axes object. Then create an x-axis label with a different font size.
x = rand(1,100);
y = rand(1,100);
scatter(x,y)
ax = gca;
ax.FontSize = 16;
xlabel('My Label','FontSize',10)

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Gene Polovy
Gene Polovy 2015 年 1 月 31 日
I tried this using R2014a first and it didn't work, but I happen to have 2014b on another computer (my department recently upgraded) and it worked there. Thank you! I hope MATLAB looks into this issue ...
Star Strider
Star Strider 2015 年 1 月 31 日
My pleasure! I’m glad it worked. There are version differences, so hanging out on Answers means the Questions are always something of a moving target.
(The most sincere expression of appreciation here on MATLAB Answers is to Accept the Answer that most closely solves your problem.)
Image Analyst
Image Analyst 2015 年 1 月 31 日
If what you say is true, then they have looked into it. It's fixed in the new version isn't it? You said it was.

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その他の回答 (1 件)

Marzena Krzek -BIO-
Marzena Krzek -BIO- 2019 年 8 月 17 日
i have 2019b - it doesn't work for me either

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David Slater
David Slater 2020 年 5 月 29 日
I have 2020a and it doesn't work in that version either.
Boris Touvykine
Boris Touvykine 2020 年 7 月 28 日
This should work for 2019 & 2020
x = rand(1,100);
y = rand(1,100);
scatter(x,y)
ax = gca;
ax.YAxis.FontSize = 13 %for y-axis
In general if you want to see what properties are there for axis appearences just run
ax.YAxis
and then click on "show all propeties" in command window.
Hamid Motallebzadeh
Hamid Motallebzadeh 2020 年 12 月 2 日
I'm using 2020b on Mac (Mojave). When I use gca.YAxis.FontSize = 40, it does not change the font size, but gca.YAxis returns
gca.YAxis
ans =
struct with fields:
FontSize: 40
It looks like it has the font size but does not apply it to the figure.

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