And in fact, if we just go ahead and run this now, hopefully we get out-- oops, sorry, I'm going to have to change this quickly, I still have some things uncommented at the bottom, yeah, there they are, I don't think we need that yet, all right, we will comment those out.

如果我们现在去运行程序的话，希望我们会得到-噢，抱歉，我得去马上，改下代码，还有一些在底部的东西没被注释掉,对，就在这儿了，我不认为我们需要，这些东西了，好，我们把它们注释掉,好，那么我为什么要讲这些呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

So we immediately get du at constant S and V is less than zero.

这样我们马上就得到以下结论：,在等熵，等容条件下dU必须小于零。

麻省理工公开课 - 热力学与动力学课程节选