matlab 增加或减少图例 legend 线的长度

快来打我* 2023-07-21 11:10 65阅读 0赞

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTEwODk1MjM_size_16_color_FFFFFF_t_70][]

问题： 如图所示，画出来的图的图例线太短，希望增加线的长度。

在网上搜索了很多的方法， 最简单的解决方法如下：

leg = legend('1','2','3');

leg.ItemTokenSize = \[x1,x2\];

x1,x2 的默认值分别是x1=30,x2=18.因此可以调整其数值大小改变线长短。

结果：设置为

leg = legend('1','2','3');

leg.ItemTokenSize = \[80,40\];

结果图如下：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTEwODk1MjM_size_16_color_FFFFFF_t_70 1][]

链接为看过的解决方案：

[https://www.mathworks.com/matlabcentral/answers/396439-how-to-increase-the-length-of-the-legend-line][https_www.mathworks.com_matlabcentral_answers_396439-how-to-increase-the-length-of-the-legend-line]

[https://www.mathworks.com/matlabcentral/answers/95161-how-can-i-modify-the-lengh-of-the-lines-in-a-legend][https_www.mathworks.com_matlabcentral_answers_95161-how-can-i-modify-the-lengh-of-the-lines-in-a-legend]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTEwODk1MjM_size_16_color_FFFFFF_t_70]: /images/20230528/7d434a4e067e414090faca53f25ac160.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTEwODk1MjM_size_16_color_FFFFFF_t_70 1]: /images/20230528/cbac0ada943d49dab5c0569eaa96d821.png
[https_www.mathworks.com_matlabcentral_answers_396439-how-to-increase-the-length-of-the-legend-line]: https://www.mathworks.com/matlabcentral/answers/396439-how-to-increase-the-length-of-the-legend-line
[https_www.mathworks.com_matlabcentral_answers_95161-how-can-i-modify-the-lengh-of-the-lines-in-a-legend]: https://www.mathworks.com/matlabcentral/answers/95161-how-can-i-modify-the-lengh-of-the-lines-in-a-legend