simulink error：Error in default port dimensions function of S-function ‘XXXXXXXXXXX’. This function does not fully set the dimensions of output port 2.

错误提示： Error in default port dimensions function of S-function ‘XXXXXXXXXXX’. This function does not fully set the dimensions of output port 2.

问题描述：将m函数添加到simulink中的MATLAB function中后，运行后显示‘XXXXXXXXXXXXX‘，这个模块的端口配置错误。

解决方法：双击MATLAB function模块，进入编程界面（如下）

点击Edit data

找到对应的输出端口，正确设置其大小，点击右下角的apply应用即可解决问题。

simulink error：Error in default port dimensions function of S-function ‘XXXXXXXXXXX’. This function does not fully set the dimensions of output port 2.

原文：https://www.cnblogs.com/pupilLZT/p/10119625.html