# [OS X TeX] Size of braces and parentheses in split environment

R Martinez rm.tech at mac.com
Sun Aug 17 17:49:54 EDT 2008

All,

The following display equation using a split environment produces
curly braces and parentheses of different sizes in each line of the
expression. I would like both lines to have braces and parentheses
that have the same size as those in the first line.

Your help is appreciated.

$$\begin{split} K_z &= \frac{1}{\left( \sigma_{x}^{2} + \sigma_{y}^{2}\right)^{2}} \: \left(\mathcal{E} \left\{\left( X- \eta_x \right)^4 \right\} + \mathcal{E} \left\{\left( Y- \eta_y \right)^4 \right\} \right. \\ & \quad \quad +\left. 2\,\mathcal{E} \left\{\left( X- \eta_x \right)^2 \left( Y- \eta_y \right)^2 \right\} \right) \end{split}$$

Thanks in advance,

Raul Martinez



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