deletions | additions       diff --git a/newcommand_reals_mathbb_R_newcommand__.tex b/newcommand_reals_mathbb_R_newcommand__.tex  index 3f71401..0b83b17 100644  --- a/newcommand_reals_mathbb_R_newcommand__.tex  +++ b/newcommand_reals_mathbb_R_newcommand__.tex 
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f_1(x_1,\ldots,x_n) \\ \vdots \\ f_m(x_1,\ldots,x_n)  \end{array} \right], \nonumber  \end{equation}  then the derivative of $f$, denoted $Df \in \complex^{m \times n}$ n}$,  is \begin{eqnarray}  Df(x) &=& \left[ \frac{\partial f}{\partial x_1}(x), \dots, \frac{\partial f}{\partial x_n}(x) \right] \nonumber\\  &=& \left[ \begin{array}{ccc}