Do any one know how to type a very big parenthesis in LaTeX. Since the formula is very big, I used multline
environment, in one line, there are many pair of parenthesis by using \left
and \right
which make them already very big. Between lines, I need some parenthesis bigger than the one given by \Bigg
. My intention is to show the following big formula in multline
environment:
$$
\frac{
e^{-\frac{t \lambda +4}{4 \lambda \nu }}
\left(
e^{\frac{t}{4 \nu }}
\left(
4 \sqrt{\pi } \sqrt{\nu }+1
\right)
\nu \Phi
\left(
\frac{t-\frac{2}{\lambda }}{\sqrt{2} \sqrt{t \nu }}
\right)
\lambda^3
-e^{\frac{t \lambda +8}{4 \lambda \nu }}
\left(
4 \sqrt{\pi } \sqrt{\nu }-1
\right)
\nu
\left(
\Phi
\left(
\frac{t+\frac{2}{\lambda }}{\sqrt{2} \sqrt{t \nu }}
\right)
-1
\right)
\lambda^3
+e^{\frac{1}{\lambda \nu }}
\left(
4 \sqrt{\pi } \lambda^3 \nu^{3/2}
\left(
2 \Phi
\left(
\frac{1}{\sqrt{2} \lambda \sqrt{t \nu }}
\right)
-1
\right)
-e^{\frac{t}{4 \nu }}
\left(
\left(
\lambda
\left(
4 \sqrt{\pi } \sqrt{\nu }-1
\right)
\nu +2
\right)
\lambda^2+2
(\lambda \nu -2)
\Phi
\left(
\frac{\sqrt{\frac{t}{\nu }}}{\sqrt{2}}
\right)
\lambda^2-2
\right)
\right)
\right)
}{4 \lambda }
$$
Best Answer
The ams parenthesis of specific size are typeset by using
\left
and\right
and putting in an invisible "thing" of a certain height to ensure that they are big enough. Mimicking that, you could do:\left(\rule{0cm}{2cm}\right.
to get a left parenthesis of 2cm height. Note that the AMS command also adds a little horizontal space which you might need to put in as well. If you do this often, you could easily define new sizes:Then in your document:
produces:
I recommend also taking a look at Vertically asymmetric size variation for parentheses about vertically centring parentheses.
(Note I've assumed that you're using
amsmath
since you tag it withamsmath
and the commands\big
and so forth are ones thatamsmath
produces. If you're using a different package to get these commands, then this solution won't work.)