3
votes
1answer
85 views

Bracket problems when splitting multiline equations

Basically, I have the following latex code: \begin{align*} + \left( \left[ \sum_i y_i x_i(r) - \frac{1}{n}\sum_i y_i \sum_i x_i(r) \right] \left[ \sum_i x_i^2(r) - \frac{1}{n} \left( \sum_i ...
4
votes
4answers
134 views

underbrace matrix inside brackets

I would like to put an underbrace below the matrix like this: $$\left(\underbrace{ \left[\begin{array}{ccc} a&b&c\\ d&e&f\\ g&h&i \end{array}\right]}_{A} ...
6
votes
1answer
62 views

\eqref for systems

Is there anyway to create a single label for a system of equations instead of just one, such that I can recall it? I've done this but the result doesn't totally make sense. ...
3
votes
1answer
100 views

bad looking binomial

I want to post something on math.stackexchange, but I have doubts about visual aspects of it. Take a look at $ {n \choose \lfloor \frac{n}{2}\rfloor} $ or $ { {n} \choose \frac{n}{k}} $ It ...
1
vote
1answer
30 views

break a long equation with an initial bracket [duplicate]

I tried to fix this problem by reading the answers to the questions on this forum related to this topic, but I did not find any solution. Could you help me, please? The thing is that I have to break a ...
4
votes
1answer
82 views

system of equation without the brackets? Possible?

Hi can i make a system of equations like the one below \[ \systeme{2y+4x=9, 3x-2y=10} \] But WITHOUT the bracket (braces) behind the equations?
7
votes
3answers
202 views

How to break long equations while keeping alignment?

I have the following long equations: \documentclass[]{article} \usepackage{amsmath} \begin{document} \begin{displaymath} \begin{aligned} (\chi_1|\chi_1) ...
3
votes
2answers
76 views

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} \| ...
6
votes
2answers
230 views

Missing final brackets (in one equation { and in other - ]) in the equations

This is my first question on tex.stackexchange, so the formatting will be terrible. I've got a problem with three lengthy equations - the closing brackets, in all three formulas, are not displayed. ...
2
votes
1answer
1k views

Two double-line equations need double left brackets

I have four lines of equations. The first two and the second two need to be grouped by a left bracket, and all four need to be grouped by one overall left bracket. I am using an array within an ...
7
votes
3answers
368 views

Space before right bracket

I have created this formula using mathptmx as font \begin{equation} BER = Q\left(\sqrt{\dfrac{2E_{b}^{\text{RX}}}{N_{0}}}\right) \end{equation} getting the above result: I'm not totally ...
8
votes
1answer
666 views

Braces in equations

This resembles what I want: Unfortunately, both braces are too big. I would like the brace on the top to enclose the variables, that is, span from (x_0 to \x_i). The brace on the right should ...
2
votes
1answer
205 views

Combining split and rcases

I have an equation, that is split along multiple lines. All equations should be aligned to the equal sign. All but the first equation form a group. The following gives almost the expected result ...
1
vote
0answers
58 views

Splitting a long equation while maintaining size of brackets [duplicate]

Possible Duplicate: How to make \left, \right pairs of delimiter work over multiple lines? How can I have this equation: \begin{eqnarray}\nonumber \ln T &=& -\sum\limits_{i=1}^{N} ...
3
votes
2answers
1k views

Breaking long equation after a certain left bracket

I am typing a long equation which needs to be broken just after the left bracket and three dots are placed at the end of the left bracket same line. Here is an example, in which, I need the third left ...
3
votes
2answers
2k views

Equation: Using \left brackets inserts unwanted space [duplicate]

Possible Duplicate: Spacing around \left and \right I'm having some problems with writing down an equation in LaTeX. It's only a minor issue regarding appearance, but I'm kind of a ...
14
votes
3answers
16k views

How to write a function (piecewise) with bracket outside?

How to write this Piecewise function using LaTeX? I tried $ \begin{array}{cc} \{ & \begin{array}{cc} 0 & x\leq 0 \\ \frac{100-x}{100} & 0\leq x\leq 100 \\ 0 ...
9
votes
1answer
925 views

\overbrace split accross multiple lines

Is there a way to split the overbrace so that it appears in two halves over a multi-line equation. Something like /-----------Overbrace Label---- Equation over which to place ...
30
votes
4answers
4k views

How can I get an underbrace and an overbrace to partially overlap in an equation?

Sometimes I want to describe portions of an equation using \underbrace and \overbrace in such a way that the portions are not completely distinct, for example: /-------\ x = A + B + C + D + E ...