# Tagged Questions

{equations} is about the various environments to typeset displaystyle mathematics, e.g. equation and {align}. For general questions about mathematical typesetting use {math-mode}. Both tags are possible on the same question.

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### Labeling equations or the use of subequations

I am using the tabbing environment for a list of 5 related equations. \begin{tabbing} \hspace{.5cm} \= \hspace{.3cm} \= \hspace{3cm} \= \kill $$\mathbf{\Omega}$$ \> $$=$$ \> \(\Omega\hat{\...
287 views

### Additional vertical space in an equation

I have this equation: \mathbf{S}_o = \frac{ \sum\limits_{i=1}^{N} \left[ \left( \frac{\sum\limits_{k=1}^{J-1} \frac{\| P_k^Q - P_{k+1}^Q \|}{\| P_k^T - P_{k+1}^T \|} }{J-1} \...
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### New commands for the equation environment

I'm trying to define a bra-ket command so that I can easily build things like: \langle e^+ | \gamma^\mu | e^-\rangle At the moment I have this: \newcommand{\brak}[3]{ \langle #1 \| \gamma^{#2} \| #...
15k views

### Using the flush left align environment flalign

When using the flalign, I either get LHS and the = on te far left and the RHS on the far right. \begin{flalign} x & = & 1 \end{flalign} Or I the equation centers itself when I try \...
407 views

### IEEEeqnarray: How can I force the number to follow the sections?

When using IEEEeqnarray, the numbering of the equations starts at 1. I would like the numbering to follow the sections. For instance, an equation in section 1 will go 1.1, 1.2, ... Is there ...
216 views

### Is there any more convenient way to insert Math-mode Accents?

Is there any more convenient (concise) way to insert Math-mode Accents? For example is it possible to use a syntax like following: a\^ %instead of \hat{a} a\- %instead of \bar{a} a\~ %instead of \...
483 views

### Equation line break up

\documentclass[12pt,a4paper]{article} \usepackage{amsmath}\usepackage{amssymb} \textwidth=16.5cm \oddsidemargin=-0.10cm \evensidemargin=-0.10cm \topmargin=-1.0cm \textheight=24.5cm \newcommand{\...
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356 views

### Wrong vertical space in theorem environment closed by an equation

It happens that LaTeX, to fill a page vertically, adds extra spaces around equation environments (and other vertical spaces). Now suppose I have a theorem environment (using amsthm) which ends with an ...
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### Equation problems

So I am trying to insert an equation. The output seems to be correct, but I get some error messages. \centering \label{eg:homogeneity2} \begin{align} H(C) = - \sum\limits_{c=1}^{|...
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### Chemistry Equations

I have the following Chemistry equation: 2LiOH(s) + CO2(g) -> Li2CO3(s) + H2O And I have the following LaTeX code: \ce{2LiOH_{(s)} + CO_{2(g)} -> Li_{2}CO_{3(s)}+ H_{2}O_{(g)}} But I ...
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### Using split to break a long equation

I am trying to break a long equation over multiple lines. It is here as follows: \begin{split} L(\textbf{q})=&\prod_{t=0}^{36}{q_{1}^{iB(t)sB(t+1)+iC(t)sC(t+1)}\\ &\quad\cdot ...
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### Putting a header above the cases in an equation

This question is best illustrated by an example. Consider the following code Further we can show that \begin{equation*} P_{v}(T) = ...
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### How to adjust the blank space between the top of the left curly brace and the contents?

I want to type a system of equations delimited by the left curly brace. And I tried using the \left{ with aligned, and cases, and array, and numcases. But there are some difference between the results ...
5k views

### what's a replacement for \lefteqn in the align environment?

I would like to avoid the use of eqnarray. I would like to use the align environment instead. However, I have an equation that I specify currently the following way: \begin{eqnarray} \lefteqn{f(a,b,...
1k views

### Automated generation of equation key

I am looking for a way to automatically create the legend for an equation (let's say embedded in the align environment). What I'm currently using is a semi automated to fully manual way. Let me ...
1k views

### Putting row of dots in an equation

Is it possible create a system of equations that will look like this: aX(x_0)+bX(x_0)+cX(x_0)=A dX(x_1)+eX(x_1)+fX(x_1)=B ......................... gX(x_n)+hX(x_n)+iX(x_n)=B I tried with this: ...
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### Size Math font – Define different sizes for Display and Text Equations globally

I have a rather long document with plenty of maths and equations. As the equations are quite long I have chosen to use 8pt for equations in the display mode instead of the 10pt normal size. \...
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### Is it possible to reprint an equation without actually rewriting it? [duplicate]

I have an equation like: $$\label{whatever} x+y=1$$ I want to write it again, keeping the same number. I know I could do the following: x+y=1 \tag{\...
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### Equation and image in a row

I have example (defined as \newtheorem{example}{Example}[section]) and inside I have four-level equation of same size as an image ABC.png that I want to put on the right from the equation. But it is ...