{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.

learn more… | top users | synonyms (1)

2
votes
1answer
58 views

How to split a 2 columns paper for a big formula

A have a 2 column paper, and I have a big formula like: \documentclass[twocolumn,article,a4paper]{memoir} \usepackage{amsmath} \begin{document} Therefore, triplets of the sensory score for aroma of ...
4
votes
3answers
143 views

Aligning more than two columns with alignedat?

Consider this MWE, modified from Aligning conditions in cases environment: \documentclass{article} \usepackage{amsmath} \begin{document} \[ f(x) = \left\{\begin{alignedat}{3} & mx^2 +nx +1, ...
0
votes
1answer
43 views

Moving part of equation to next line

I have an equation: \begin{equation} MMAV1 = \frac{1}{N} \sum_{n=1}^N \omega_n|x_n|, \\ \omega_n = \begin{cases} 1 & if 0.25N \leq n \leq 0.75N \\ 0.5 & otherwise \\ \end{cases} ...
0
votes
0answers
15 views

including references in an equation environment

This is probably not common but I wonder how one could include a citation in the equation environment for example I would like to do something like this: ...
1
vote
2answers
68 views

How to deal with very long formulas

I have a very long formula that does not fit in the page. What should I do? Here is the code: \listfiles \documentclass[oneside,12pt]{scrartcl} \usepackage[ngerman]{babel} %\usepackage{amsmath} ...
5
votes
2answers
56 views

Center the terms in an equation?

I have the following equation: Notice how the last two terms are not centered? If I use the code specified below, I would get that effect. Now, what I would like to have is the effect shown in the ...
2
votes
1answer
33 views

Left align 3 different equations

I would like to left align three different equations of three different lengths. As of now I am using this code: \begin{equation} log_{10}M_{200} = ...
0
votes
1answer
42 views

Proper way of formatting equation strings

In much of my writing, I end up formatting relatively long strings of equations; for example, \begin{align*} M &= \int_0^1\int_0^{\sqrt{1-y^2}}\int_0^{\sqrt{1-x^2-y^2}}x\,dz\,dx\,dy \\ ...
1
vote
2answers
94 views

Piecewise-defined functions

I'm trying to write these four piecewise-defined functions. I wrote this code: \begin{equation} \theta = \begin{cases} \theta r + Se \left( \theta s - \theta r \right) & Hp < 0 \\ ...
3
votes
2answers
148 views

Removing the brackets around equation numbering

I am using the equation environment with the amsmath package. I would like to remove the brackets on each side of the equation numbering. I would like to have my equation labelled as 1, 2, 3 ... ...
2
votes
1answer
51 views

Unnecessary vspace for align/equation when it's first on page

I'm using the align environment and now I have the problem that one of my formulas is the first object on a page with some vspace before it. But this looks a bit odd, because it isn't in line with the ...
2
votes
1answer
90 views

Handling long equations with multline

So I'm writing a report for my final year engineering project. I've got some very long equations that I'm having to handle and I'm fairly new to LaTeX. The equation I'm trying to split is: ...
0
votes
3answers
117 views

Structure of Maxwell's equations and numbering in Latex

Please,how we can write this: Thank you.
4
votes
1answer
24 views

Apparent conflict between eledmac/eledpar and the environment equation*

I want to make a bilingual book with parallel pages containing equations. I use XeTeX with eledpar, eledmac, and amsmath. My problem is about a strange behavior of the alignment of equations inside ...
2
votes
1answer
30 views

\floatfoot and equations

I am using \floatfoot to creates notes for a figure in a paper. I would like to include an equation in the notes for this figure. Specifically, I am trying to use the following code: ...
2
votes
2answers
51 views

How to expand \align mode into two pages by following the end line of the previous page

I have a big matrix and each element of it has many stuff. The problem I'm facing is that the align mode is trying to make each equation to be fitted into one page. For example, in the following code ...
0
votes
1answer
116 views

How to shade a region outside the sphere in Tikz

I would like to graph the region given by (x-2)^2 + (y+1)^2 + z^2 > 5. So, I'm looking to draw a dashed sphere of radius sqrt(5) centered at (2,-1,0) and then shade everything outside of it. Any ...
1
vote
1answer
32 views

Centering equation while placing the “for” section to the utmost right

I would like to know how I can center the equation, but place the "for i=1,...,p" to the utmost right. \begin{align} \label{meth:regular:lin:phoneydata} ...
4
votes
2answers
150 views

Can I use something like “$$” in hbox?

I've written a my own little script system for generating homeworks & tests using a database of problems. Below is one particular problem which is giving me a issue for the last option, "d)": ...
1
vote
0answers
45 views

Automatically Wrap Equations

Is there a LaTeX plugin that automatically wraps equations that are too wide, or is this something I must always do manually?
1
vote
0answers
18 views

Change horizontal alignment of equation tags [duplicate]

By default, equation numbering seems to left align. However, I would like instead to indent the equation number just slightly. The motivation for this is to align the equation number with the body ...
3
votes
3answers
175 views

A brace in an equation to say both variables are equal to the same value

Say I had; \begin{equation} \begin{cases} x = 0 \\ y = 0 \\ z = 0 \end{cases} \qquad \text{and} \qquad \begin{cases} x = a \\ y = a \\ z = b ...
1
vote
2answers
142 views

Nested equations with curly braces on the right

I'm trying to write a nested system of equations with a curly brace on the right of each system, some text and then another curly brace which covers all other systems. However, the rightmost curly ...
1
vote
1answer
37 views

size of framed environment in memoir

I am using the memoir package and the 'framed' environment. It seems that the vertical white spacing differs depending whether it is a single equation or the 'multiline' environment. Please, compare ...
5
votes
5answers
508 views

How to format the case equation to look nicer?

I want to typeset the equation in my beamer frame: This is my solution and of course, it doesn't look well. And my code is : \[ \parbox[c][2cm]{2cm}{Attainable \\ GFlops/sec} = ...
7
votes
3answers
276 views

All letters upright in math mode (equivalent to \rm)

I'm using the document class scrartcl and I'm looking for a way to write equations in which all letters are upright like it appears when using \rm. \begin{equation} \rm A_{something} + ...
2
votes
2answers
54 views

How to make equation display the equation number on the left

When using equation, it shows the equation number on the right of the equation. I want the number (1) to show to the left of the equation: The code used for generating it is: $$\mbox{\sc ...
2
votes
1answer
109 views

how to write multiline equation with right brace alone

I am wrting this equation with \begin{eqnarray} u_k^{n+1}=\argmin_{u_k \epsilon X} \left\lbrace \alpha \left|\left|\partial_t\left[\left(\delta(t)+\frac{j}{\pi ...
4
votes
1answer
93 views

Number equations inside enumerate

How can I get begin{equation} numbers to be of the form (1.2), where 1 is the current enumerate item, and 2 is the equation number? M(not)WE: \documentclass[]{article} \usepackage{amsmath} ...
1
vote
2answers
63 views

Properly align two very long lines in multlined

How do I get rid of the indentation of the second line? I would like the two lines to be aligned to each other. I had thought that both having maximum width, the first being left-aligned, the second ...
3
votes
2answers
99 views

Equation number at the right of first line with multline

This is very similar to A vertically centered equation number on a multline environment, but the answers won't apply to my case it seems. I have \begin{multline} X = \\ ...
5
votes
2answers
66 views

Having two braces which refer to a set of equations and its initial conditions on the same line

Say I have; \usepackage{amsmath} \begin{equation} \begin{cases} \dot x = 2z + xy \\ \dot y = 4xy - z\\ \dot z = -5z \end{cases} \end{equation} \begin{equation} ...
3
votes
1answer
61 views

How to align separate equations to one side

I'm writing several separate equations using \begin{equation*} equations in here \end{equation*} \begin{equation*} equations in here \end{equation*} \begin{equation*} equations in here ...
3
votes
2answers
71 views

Splitting equation in align environment

I am attaching a picture of what I want to achieve. I am trying to use align* environment, and I've read all related questions to this, but with no luck. Can someone tell me a way which gives a result ...
2
votes
2answers
33 views

Use Labels to show equations

I want to be able to create many equations, say $a+b=c$ and $c+d=e$, save the equation as a variable but not have the equation be displayed. I simply want to have the ability to use the label/variable ...
2
votes
1answer
56 views

Labeling an equation without making it center aligned [closed]

I know that we can use the \tag{label} command to label an equation. However using this makes an equation center aligned. How do I keep the equation left aligned and still have a tag for the equation? ...
0
votes
0answers
22 views

Equation number not in the same line with my equation [duplicate]

I'm new here and I'm learning how to use LATEX. Please, I have small problem and that the equation number appear in the new line and not in the same line with the equation. \begin{equation} f(l) = ...
1
vote
1answer
3k views

Exponential function

I have a problem creating an exponential function in equation mode in Latex. I would like to have this exponential function: exponential^((y^2)/4). Does anyone know have to do that? David
2
votes
1answer
87 views

Big Brackets inside eqnarray

Can anyone help me in writing the following long expression with in IEEEeqnarray or eqnarray structure? \documentclass[10pt,a4paper]{article} \pagestyle{plain} \usepackage{amsmath} ...
3
votes
1answer
21 views

Less spacing at the end of equation lines using Split environment

Does anyone know why in the equation produced by the following code, the plus signs at the end of the first and second lines have less space on their left sides compared to the other plus signs? and ...
4
votes
1answer
73 views

Writing neat equation parameter definitions with \singlespacing vs \doublespacing text

This question is based off the answer for the How to write a perfect equation parameters description? question: I would like to have the parameters defined using \singlespacing as I am currently ...
3
votes
2answers
506 views

How to write partial differential equation (Ex. dQ/dt=ds/dt) with real partial derivative signs?

I would like to make a partial differential equation by using the following notation: dQ/dt (without / but with a real numerator and denomenator). Earlier today I got help from this page on how to ...
5
votes
1answer
51 views

Subequations with main equation number

I would like to have a set of equations, all under the same number, but with a "main" equation, and some other equations that follow being labelled with subnumbers, for example 1 = 1 ...
0
votes
1answer
69 views

Writing equations with neatly defined parameters [duplicate]

I have been dealing with a multitude of equations in my thesis and it gets really repetitive defining each parameter verbally after each equation; personally I find it inefficient and at times messy. ...
3
votes
3answers
352 views

Writing partial differential equation like u_t=u_xx

I have a problem writing the heat equation in latex. I would like to write it by starting with \begin{equation} and ending with \end{equation}. I tried doing the following: \begin{equation} ...
3
votes
1answer
33 views

Equation Line with notes in between

Good day! How can I make an aligned equal sign even though I have notes in between the two equation lines? For example: a+b=c (some notes....) c+d=c+(a+b) Thanks
5
votes
1answer
90 views

align text and equations in columns in beamer

I have a beamer frame consisting of two columns (top aligned) using the [T] option. The second column contains a align equation block. Even though I am using the [T] option the column containing the ...
3
votes
2answers
220 views

Multiple results for equation

How do I define a equation e.g. x +y that shall be true for e.g. <5 and >0 in one equation? I was thinking of using a large brace, but I can't find any example of how to achieve this.
3
votes
2answers
123 views

How to place the subscript under two summation signs in a fraction?

I would like to place a subscript under two summation signs in a fraction, in an equation. The code showed works when it is not in a fraction, but as soon as I use it in a fraction the subscript is ...
0
votes
1answer
47 views

Undefined control sequence error for equation [duplicate]

I am trying to reproduce the following equation in LaTeX: nopt(d, B) = argminn {Pt - LMI (d, n, ω + 0.5B) >= Pth } and the syntax I have used is the following: $n_{opt}\left(d, B\right) = ...