编写"latex command"在Matlab图中的注释 [英] writing "latex command" in the Matlab figure comment

问题描述

我在Matlab中有一个图形，在图形中我想在该图形上写注释. 评论包括乳胶配方；例如，我想在我的图形$$ \ vec {R} = 2 $$

I have a figure in Matlab, inside the figure i would like to write comments on the figure. the comment include latex formula; for example, I want to write this comment on my figure $$ \vec{R} = 2 $$

这是我搜索时找到的示例；

here is an example that I found when I searched;

clear all;
close all;
clc;
figure
ms = 8;
fontSize = 18;
xx = 0:.1:1;
plot(xx,sin(xx))
xlabel('P_{fa}', 'fontsize', fontSize);
ylabel('P_{m}', 'fontsize', fontSize);

我希望它如下图所示:

I want it looks like as in the attached figure below:

注意:我搜索了已经回答的最后一个问题，发现可以在图例，标题，轴中写乳胶命令，但是在图形中写注释时不可以.

Note: I searched in last questions that already answered, I found that I can write latex commands in the legend, title, axis ... but not when writing comments inside the figure.

推荐答案

非常简单:只需添加 text 对象，其'interpreter'属性设置为'latex':

Very easy: just add a text object with its 'interpreter' property set to 'latex':

text(.3, .5, '$\vec R=2$', 'interpreter', 'latex', 'fontsize', fontSize)

text的前两个参数是坐标；根据需要更改它们.

The first two arguments of text are coordinates; change them as needed.

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