向量场(\mathbf{F} = (F_x, F_y, F_z))的旋度可以通过以下公式计算: [\nabla \times \mathbf{F} = \left(\frac{\partial F_z}{\partial y} - \frac{\partial F_y}{\partial z}, \frac{\partial F_x}{\partial z} - \frac{\partial F_z}{\partial x}, \frac{\partial F_y}{\pa...
上面就是旋度公式，然后按行列式第一行展开