matlab 画图legend如何同时显示latex字体和中文
时间: 2023-09-19 13:01:42 浏览: 2849
要同时显示LaTeX字体和中文的图例,首先需要在MATLAB中设置使用LaTeX解释器。可以通过以下步骤实现:
1. 打开MATLAB,并在命令窗口中输入以下命令来设置使用LaTeX解释器:
```matlab
set(groot, 'defaultAxesTickLabelInterpreter','latex');
set(groot, 'defaultLegendInterpreter','latex');
```
2. 在绘制图形之前,确保已经安装了LaTeX字体包,以支持LaTeX格式。可以通过在命令窗口中输入以下命令来安装LaTeX字体包(以Windows系统为例):
```matlab
!tlmgr install collection-fontsrecommended
```
3. 绘制图形时,在图例中使用`tex`命令来插入LaTeX格式的数学符号或公式。例如:
```matlab
x = linspace(0, 2*pi, 100);
y1 = sin(x);
y2 = cos(x);
plot(x, y1, 'r', 'DisplayName', '$\sin(x)$');
hold on;
plot(x, y2, 'b', 'DisplayName', '$\cos(x)$');
legend('Interpreter', 'latex');
```
注意,在图例中使用`tex`命令时需要使用`'$'`将LaTeX表达式括起来。
通过以上步骤,你可以在MATLAB绘制的图例中同时显示LaTeX字体和中文。
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