The problem is not every vector field is a gradient.

问题是，不是所有向量场都是梯度。

youdao

Say that f, our vector field is actually the gradient of some function.

也就是向量场f实际上是一个函数的梯度。

youdao

Say that f, our vector field is actually the gradient of some function.

也就是向量场f实际上是一个函数的梯度。

youdao