I'm trying to get a system of equations to be aligned nicely, for once :-)
I have a_{1,1} and a_{1,m} that should be aligned, and since the m is wider than the 1, what messes the whole thing up. I could use an array, but the easiest way would be to set either the second one in a_{1,1} as wide as an m, or maybe the whole a_{1,1} as wide as the a_{1,m}
I would like the text, that is i=1 and N, on the summation to be top, and bottom. something like this
I'm using the packages, amsmath, relsize, and physics.
\begin{equation}
\label{eq: TEST}
TEST = \mathlarger{\frac{{\mathlarger{\sum}}_{i=1}^{N}\frac{\abs{M_{\mathrm{i}} - m_{\mathrm{i}}...
I'm using Lyx and I want to include unnumbered chapters to the table of contents such as the introduction and conclusion. So, I used \addcontentsline{toc}{chapter}{Introduction} right after declaring the chapters.
The problem is that I get this error:
use of \reserved@a doesn't match its d...
The newest versions of the package xy-pic does not work properly with LuaLaTeX, version 0.95.0. Consider the following simple example:
\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage{fontspec}
\usepackage[all]{xy}
\begin{document}
\[
\xymatrix {
A\ar[r]\ar[d] & B\ar[d]\\
C\ar[r] 
