[LaTeX Math Issues] Tackle issues that come up while writing #format #math #QP

ATocLatMath.md

Index

• flushleft_and_normal_equations.tex : Flushleft and normal equations goes together, as is the norm in textbook solutions
• flushleft_and_normal_equations.tex : Flushleft and normal equations goes together, using mathtools
• msword_math Tips on using Microsoft word for typesetting Question papers with math content
• overset_underset_cases.tex : Using if in definitions of piecewise funcs, writing over and under symbols, operators and math expressions
• tensor_typing.tex : Sample code for typing tensors using the tensor package. Second line shows that the \tensor command will automatically place the indices in shifted positions without the need for using math-spaces.
• tex commands list at tutorialspoint

BLyXTips.md

LyX Bracket Shortcuts

Alt m then ( or [ or { or |

flushleft_and_normal_equations.tex

\documentclass{article}
\usepackage{amsmath}
\begin{document}
\noindent The quick brown fox jumps over the lazy dog.
\begin{equation*}
A = B
\end{equation*}
\begin{flalign*}
C & = D \\
D & = E &&
\end{flalign*}
\begin{flalign*}
E = F &&
\end{flalign*}
\end{document}

flushleft_and_normal_equations_2_nccmath.tex

%LaTeX Left, Centered equations
%============================
\documentclass{article}
\usepackage{amsmath}
\usepackage{nccmath}
 
\begin{document}
 
% A centered formula:
\begin{align}
   a &= b\\
     &= c
\end{align}
 
% A flushed left formula:
\begin{fleqn}
\begin{align}
   a &= b\\
     &= c
\end{align}
\end{fleqn}
 
% A centered formula:
\begin{align}
   a &= b\\
     &= c
\end{align}
 
\end{document}

msword_math.md

Type Question Sets with Word

• Alt = for math mode
• Alt (numpad) 0134 for \dagger
• \scriptL gets you the Lagrangian

---

one page wiki on this

overset_underset_case.tex

% An arrow over x
\overset{x}{\rightarrow}

%Writing over an operator

\overset{\mathrm{def}}{=}


%Text over long xarrow

\xleftarrow{\text{see equation (1)}}

A\xleftarrow{n+\mu-1}B \xrightarrow[T]{n\pm i-1}C.
  Default pos is over, T goes down

\[
U[n]=
  \begin{cases}
	0& \text{if } n<0\\
	1& \text{if } n\geq 0\\
  \end{cases}
\]

%Writing over and under math 
\underbrace{u'-P(x)u^2-Q(x)u-R(x)}_{\text{=0, since~$u$ is a particular solution.}}

\underbracket %mathtools

\[
  \overbrace{a+b+c}^{d} \quad \overbracket{a+b+c}^{d} \quad
  \underbrace{a+b+c}_{d} \quad \underbracket{a+b+c}_{d}
\] %mathtools

tensor_typing.tex

\documentclass{article}
\usepackage{amsmath}
\usepackage{tensor}

\begin{document}
$g^{\alpha\beta}g^{\gamma\delta}R_{\alpha\mu\gamma\nu}=R^{\beta\;\delta}_{\;\mu\;\nu}$

$g^{\alpha\beta}g^{\gamma\delta}R_{\alpha\mu\gamma\nu}
    =\tensor{R}{^\beta_\mu^\delta_\nu}$
\end{document}