Wide figures in two-column documents
Floating figures and tables ordinarily come out the same width as the
page, but in two-column documents they're restricted to the width of
the column. This is sometimes not good enough; so there are alternative
versions of the float environments — in two-column documents,
figure a
page-wide table) which will do the necessary.
provides a floating page-wide figure (and table
The *ed float environments can only appear at the top of a page,
or on a whole page — h or b float placement directives are
simply ignored.
Unfortunately, page-wide equations can only be accommodated inside
float environments. You should include them in figure environments,
or use the float or ccaption package to define a
new float type.
