Text Formatting ⇒ How to bold \tau

[sheenshahid]

\mathbf{\tau} changes shape of \tau when written in equation in latex for book document class. Axtually i want to bold \tau in an equation.

Code: Select all

begin{equation}\label{eq1.3}
\mathbf{\tau}=-p\textbf{I}+(1+\frac{1}{\beta})\textbf{A}_{1}
\end{equation}

[Bartman]

The example is incomplete. You can use the command \boldsymbol of amsmath to make it bold.

You may also be interested in section 8 of voss-mathmode, which describes commands for parentheses.