其实应该是你自己概念不清楚,严格来讲,你所说的计算列实际上应该叫计算域(compute field),而你所说的虚拟列才是真正的计算列(compute column),只不过平时大概都没这么讲究罢了。
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So, the divergence theorem gives us a way to compute the flux of a vector field for a closed surface.
散度定理为我们提供了一种,计算向量场通过闭曲面的通量的方法。
And that is indeed going to be the curl of F. in practice, if you have to compute the curl of a vector field, you know, don't try to remember this formula.
这就是F的旋度,在实际应用中,如果你必须计算一个向量场的旋度,不要尝试记忆这个公式。
And let's take my favorite curve and compute the line integral of that field, you know, the work done along the curve.
对我喜欢的曲线,计算其上的线积分,在这条线上所做的功。
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