1

Hey I would like to add pauses into my block environment. For example I have following code:

\begin{frame}
We have 
\begin{eqnarray*}
d\left(e^{bt}r\left(t\right)\right)&=&e^{bt}dr\left(t\right)+r\left(t\right)de^{bt}+de^{bt}dr\left(t\right)\\&=&e^{bt}\left[\left(a-br\left(t\right)\right)dt-\sigma dW^{*}\left(t\right)\right]+r\left(t\right)be^{bt}dt\\&=&ae^{bt}dt-\sigma e^{bt}dW^{*}\left(t\right)
\end{eqnarray*},
\end{frame}

what do I have to add to my code so that the block is empty at the beginning, then "we" appears and then every lines from eqnarray appears separately? Is this possible?

1

Replace eqnarray* with align*. (See also eqnarray vs align). In order to uncover the individual lines of the align* environment, you could use \onslide:

enter image description here

 \documentclass{beamer}

\begin{document}

\begin{frame}
\pause
We have 
\pause
\begin{align*}
\onslide<3->{d\left(e^{bt}r\left(t\right)\right)&=e^{bt}dr\left(t\right)+r\left(t\right)de^{bt}+de^{bt}dr\left(t\right)\\}
\onslide<4->{&=e^{bt}\left[\left(a-br\left(t\right)\right)dt-\sigma dW^{*}\left(t\right)\right]+r\left(t\right)be^{bt}dt\\}
\onslide<5->{&=ae^{bt}dt-\sigma e^{bt}dW^{*}\left(t\right)}
\end{align*}
\end{frame}

\end{document}

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