Latex gradient symbol

Sunday 7 February 2021, by Nadir Soualem

gradient Latex nabla symbol

$$\nabla u$$

$$
\nabla f(\left.x_{1}, x_{2}, \ldots, x_{n}\right)=\left[\begin{array}{c}
\dfrac{\partial f}{\partial x_1}(\left.x_{1}, x_{2}, \ldots, x_{n}\right)\\
\dfrac{\partial f}{\partial x_2}(\left.x_{1}, x_{2}, \ldots, x_{n}\right) \\
\vdots \\
\dfrac{\partial f}{\partial x_n}(\left.x_{1}, x_{2}, \ldots, x_{n}\right) 
\end{array}\right]
$$

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