解决Ubuntu高分屏下matlab标题栏（菜单栏）字体过小问题

本人笔记本为1920x1080，在win10下还好，可以调整，但是到了ubuntu下设置GNOME的scaling factor不管用，于是参考一波Matlab论坛，找到了答案。请注意Matlab版本只有2017b及以后的版本才能使用此方法，如果版本过低，请先升级。

MathWorks suggested the following procedure, which works well for me (R2017b). Quoting from their email:

Tuning a high-DPI Linux system requires two steps

• Setting the MATLAB scale factor
• Calibrating the system's DPI

The MATLAB scale factor affects MATLAB desktop and the size/position of windows. The system DPI determines the scale and font size of axes and labels. To set the MATLAB scale factor, please use the following MATLAB commands:

>> s = settings;s.matlab.desktop.DisplayScaleFactor
>> s.matlab.desktop.DisplayScaleFactor.PersonalValue = 1.5

To calibrate the system DPI to match the scale facto, please use the following terminal commands :

% xdpyinfo | grep resolution
  resolution:    96x96 dots per inch
% xrandr --dpi 144

The DPI value chosen should be the resolution found with xdpyinfo multiplied by the MATLAB scale factor that was set. In the example, 96 × 1.5 = 144.

MATLAB must be restarted after Step 2.

 

做完这些，瞬间感觉不一样了

 

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