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外部函数的变量类型expression是指什么，该如何使用？
一般问题
发布于 2025-06-07 21:11:28
查看 9过去386天
请问这里的IO类型中expression是指表达式吗，即可以向C函数输入一个函数表达式吗，如果是，在Modelica中该表达式如何定义，麻烦给出定义一个函数表达式（例如函数f=x+y）作为函数输入的例子？
所属专栏：Sysplorer基础平台
产品信息：Sysplorer系统建模仿真环境
请问这里的IO类型中expression是指表达式吗，即可以向C函数输入一个函数表达式吗，如果是，在Modelica中该表达式如何定义，麻烦给出定义一个函数表达式（例如函数f=x+y）作为函数输入的例子？
您好，expression指的是计算的值，比如加入矩阵a的维度为[10,1]，那么输入size(a,10)和直接在Mo变量中输入10是一致的，所以您可以将 expression 理解为是一个常量值。
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