- #1

redtree

- 313

- 13

##\begin{equation}

\begin{split}

f(\vec{r})&=[f_1(r_1),f_2(r_2),f_3(r_3)]

\\

F[f(\vec{r})]&=F[f_1(r_1),f_2(r_2),f_3(r_3)]

\\

F[f_1(r_1),f_2(r_2),f_3(r_3)]&=[\hat{f}_1(r_1),\hat{f}_2(r_2),\hat{f}_3(r_3)]

\\

[\hat{f}_1(r_1),\hat{f}_2(r_2),\hat{f}_3(r_3)]&=\hat{f}(\vec{k})

\end{split}

\end{equation}##