Is there a way to make every element of an array be \displaystyle? I don't want to do something like \everymath={\displaystyle} (or whatever it should be) because I want this for a particular array only. Also, one of the column specifications is p{5cm} which makes it text mode. So that column shouldn't be \displaystyle. (Or rather, the solution shouldn't choke on a text column.
Any bright ideas?
You could insert \displaystyle into the column definition, such as
\begin{array}{*3{>{\displaystyle}c}p{5cm}}
Here I used syntax provided by the array package:
>{...} can insert commands before the array element*n{...} repeats a column definition n timesSo in the example we get 3 columns, where all cells have \displaystyle, and 1 paragraph column without.
array package can do!
array package.
You can use \everymath inside a scope:
{ \everymath={\displaystyle}
Inside:
\(
\begin{array}{cc}
\frac12 & \frac12
\end{array}
\)
}
\medskip
Outside:
\(\frac12\)
