Linked Questions

19
votes
3answers
79k views

How can I type the "isomorphic","not equal" and "the set of integers , rationals and reals" symbol? [duplicate]

How can I type the "isomorphic","not equal" and "the set of integers , rationals and reals" symbol ? What is the code ? $=$ means equal, how to write "not equal" What about real numbers, ...
14
votes
1answer
7k views

How to input matrices when posting questions at Math StackExchange? [duplicate]

I would like to post a question here in which I would like to insert a $2 \times 2$ matrix with entries $a$, $b$, $c$, and $d$, respectively, in the positions row 1 col. 1, row 1 col. 2, row 2 col 1, ...
4
votes
3answers
13k views

How to markup expression using sigma notation for sum in MathJax [duplicate]

I have had trouble trying to express a sigma sum formula. Please do not think I have been lazy, I have been lazy, it is just I have up attempting to work it out after over 2 hours (when my actual ...
10
votes
1answer
4k views

How to write plus-minus sign in MathJax? [duplicate]

Plus-Minus. Means a quantity of same magnitude can have either a positive or a negative value. As commonly found in square roots such as $$\sqrt[2]{625}= +-25$$. Here is an Wikipedia SVG-example ...
6
votes
1answer
51k views

How to type greater than or equal to symbols? [duplicate]

What are the markups for such symbols?
23
votes
1answer
5k views

where is the latex reference please [duplicate]

hi, There is a nice pretty markdown ref but no simple quick latex reference. I looked around in the faq and on meta. I also googled for some latex reference and some of it looks slightly different ...
7
votes
1answer
27k views

How to show the integral symbol on this site? [duplicate]

On this question: How do I use substitution in integrals? there are examples of what I want. I just want to show integrals on my questions like that. How can I do it?
5
votes
2answers
9k views

How to do formatting? [duplicate]

I need help with formatting like how to use logs, lims, superscripts and subscripts etc.
8
votes
1answer
8k views

Number sets symbols in Mathjax [duplicate]

How can we write number sets symbols using Mathjax? For example what's the code for Natural numbers set? I couldn't find that in a vast of Mathjax help documents,and the only one I found doesn't work: ...
4
votes
1answer
5k views

Why are (most) spaces eliminated in \mathrm formatting? [duplicate]

Why does this: $\mathrm{The quick, brown fox jumped over the lazy dog.}$ result in this: $\mathrm{The quick, brown fox jumped over the lazy dog.}$ Note ...
3
votes
1answer
25k views

How to write powers ( exponents ) in a proper way? [duplicate]

I don't how to write the powers or the exponents and the other mathematical expressions
1
vote
1answer
11k views

Cannot find how to write infinity [duplicate]

I am new here. How do I write an infinity symbol above summation symbol. I do not know how to write formula on this site. How do I write series formula? I could figure out how to write summation, but ...
5
votes
1answer
2k views

How to write mathematical symbols such as $\sum_{i=n}^\mathbb{N}$ with indices below/above the $\sum$ [duplicate]

I want to write: $\cup_{n \in \mathbb{N}}$, and $\sum_{i=n}^\mathbb{N}$. But I want them the index to be above and below the symbol, not to the side, how do I fix this?
2
votes
1answer
4k views

How to write down the equations? [duplicate]

I am new at the website. I see that there are equations in many posts as well as in the answers. I can't write down this equation in this website. But I need to write it. This may seems to off-topic....
4
votes
2answers
5k views

How to type math symbols in this forum [duplicate]

How can I type math symbols in this forum, like set operators, etc.? If this question is repeated, I am sorry I just searched and couldn't find an answer. And could anyone give me hint to use Tags ...
1
vote
3answers
3k views

How to format maths equations to display correctly [duplicate]

I am trying to find the list of Mathjax/Latex instructions on how to type equations and symbols so they display correctly on the site. ie. $2^2$ rather than 2^2
2
votes
1answer
1k views

how to write complex mathematics formula here? [duplicate]

How can i write math formula here?there is any way to write complex math formula here? I want to add math equation here but it seems no tool for writing formula.
3
votes
1answer
1k views

How to type log functions to a specific base using the math exchange [duplicate]

Say, I want to type log3 to the base 30, which LaTeX command should I use for it?
0
votes
1answer
4k views

How to use normal text along with mathjax in same line? [duplicate]

I was trying to display both normal text and mathjax generated output continuously in the same line. I've tried configuring inline technique using \$ but failed. I also tried \text{...} which does not ...
1
vote
1answer
2k views

Simple Alignment to the Left [duplicate]

Yesterday I posted a question here followed by a Post Script. How do I align the equations in the Post Script by the "=" signs, just like "someone you know" did when responding to ...
-5
votes
1answer
1k views

How to type Sigma and other symbols in MathJax [duplicate]

Can someone please illustrate how to use the sigma symbol using mathjax and other such symbols please help? By the way the moderators of this site are extremely helpful so thank you.
1
vote
1answer
2k views

How do you use mathematical symbols on this website? [duplicate]

For example, how do I the symbol f(x) and make it appear as mathematical appearing instead of just appear as text. I know I am going to get downvotes for this, but I couldn't find any help files ...
1
vote
1answer
550 views

MathJax doesn't render dynamically... Why not? [duplicate]

When I post this: \sum_{n=0}^\infty\binom{n}{k}x^n=\frac{x^k}{(1-x)^{k+1}}\tag{1} ... all I see is string of code, not the nifty looking math symbols. When I post the above to a test site, however, ...
3
votes
1answer
735 views

Syntax for writing a function defined by cases [duplicate]

Suppose we want to write about a function in a question that is defined by cases. In our note books we generally write "$f(x) =$" and then we give a big curly left bracket, and then define various ...
0
votes
1answer
905 views

How do I use MathJax? [duplicate]

It has become apparent to me and many here that I don't understand MathJax inputs. I primarily just need to understand how to input calculus problems. Can anybody put me on the right path to ...
1
vote
1answer
226 views

I don't know how to write formulas for integration, power series, etc. in Math.SE [duplicate]

I want to ask questions from calculus but I do not know how to write the formulas; it causes me lots of problems. I do not know to how write power series as there is no option in my keyboard. Can ...
5
votes
1answer
263 views

How to write a line through text? [duplicate]

How to write a line through text or words ? Like the \underline{} in latex but in the middle the line, to indicate something is wrong.
-1
votes
1answer
230 views

MathJax help - negative fractions [duplicate]

I just want to know how you write negative fractions because I don't seem to understand why I am not able to make a fraction negative. Is it even possible?
2
votes
1answer
130 views

dash over a letter [duplicate]

How do I write a letter like : A ,with a bar over it ( stands for the closure of A in topology) . I looked it up but \={A} didn't work , see : $\={A}$ .Help
1
vote
1answer
216 views

Enabling TeX in an answer [duplicate]

I searched but didn't find basic information on enabling TeX in an answer. $...$ didn't seem to work.
2
votes
1answer
153 views

Learn math notation for this site [duplicate]

What is the name of the language used to display math on this site, and how do I learn it? Is there a post with the basics? I find myself going to the page source to see how others have typed it. Or ...
-1
votes
1answer
97 views

Need Help Creating Symbols [duplicate]

I am sorry I need to ask this, but how in the world can I insert mathematical symbols into my questions and answers such as lim, integrals, sums, etc. (I'm new)
2
votes
1answer
90 views

Writing Math equations in MSE. [duplicate]

How do I write the mathematical equations in a question, here on stack exchange? When I try to write a question which involves equations, I get stuck as I don't know how to input those equations... ...
1
vote
0answers
123 views

How to type exact sequences. [duplicate]

I want to post a question related to a proposition on exact sequences from the book by Atiyah. But I don't know how to type an exact sequence here in MathJax. I have seen few worked out complete ...
-1
votes
1answer
116 views

How can I create a specific math expression on mathSE [duplicate]

This meta-query discusses the following question: Q1: How can I create a specific mathematical expression in a mathSE query? Edit Insert Much of the information that a user would want is contained in ...
-3
votes
1answer
85 views

Mathjax regarding question - how to type "n-1" in subscript/superscript [duplicate]

How can I write a power (n-1) subscript (n-1) This is what is happening when I try $$(a_(n-1))^(n-1)$$ $$(a_(n-1))^(n-1)$$
3
votes
0answers
102 views

How to "write math" [duplicate]

I am very new to this site and have asked a few questions but it's become obvious that I have no idea how to "write math" on this site. I tried some tutorial on here, with /dot and using the brackets ...
1
vote
1answer
58 views

Inserting math, brackets etc [duplicate]

I'm kinda new here. May I know how I can insert math here? For example, matrices and the Greek alphabet? Sorry if it's a stupid question, I'm honestly clueless.
0
votes
0answers
83 views

Is it possible to put Mathjax symbols in bold? [duplicate]

In Michael Spivak's Calculus, he manages to typeset the mathematical symbols so that they appear in bold: Is there a way of emulating this in Mathjax? Simply enclosing text in bold doesn't work: The ...
3
votes
0answers
80 views

Hello,could you tell me how to input the symbols of mathematics in this website? [duplicate]

Some people say I need to learn to use mathjax, but I don't know about mathjax. How can I learn to use mathjax to input the symbols of mathematics,such as the symbols of integral? Thank you for ...
3
votes
0answers
76 views

Writing right for the community [duplicate]

I want to learn how to write math well in the site. I was asked not to put images but I do not know LaTex. Do anyone can help me with the correct path for learning writing right for the community? ...
1
vote
0answers
73 views

Can I use the cancel command in MSE? [duplicate]

I was typing an answer to a question here in MSE and since I did not want to write with words that the integral cancels to zero, I tried to use the command \cancel. ...
1
vote
0answers
64 views

using a matrix table for mathematical purpose [duplicate]

I need to know how to use matrices on this site for a mathematical argument, maybe this question was asked a lot, but I couldn't find the answer for this through the site, any link?
3
votes
0answers
63 views

How to write indexes in MathJax? [duplicate]

How do I write indexes in MathJax? I haven't been able to find any documentation on the topic.
1
vote
0answers
59 views

math stack exchange coding link - new user [duplicate]

Anyone can point me where I can find out how to code certain things when posting on this site, like making exponents and such - I have several questions I need to ask but have reserved them until I ...
1
vote
0answers
58 views

MathJax for a dummy [duplicate]

After I made my first post here in math.stackexchange, I decided that I could write in the proper format and not rely on some poor soul to do the work for me. I have downloaded the latest version of ...
1
vote
0answers
55 views

Question about symbols on this forum [duplicate]

So I found out it uses "latex" can I just write down the uhh formulas for the symbols I want, and it shows up after I hit the post your question button?
2
votes
0answers
42 views

MathJax info; can anyone re-direct me to the info page on this site? [duplicate]

I have misplaced my links to the MathJax instructions and can't see the link that used to be here. I especially need to remind myself of the codes for combinations. Help?
1
vote
0answers
40 views

Ordering of sub and superscripts [duplicate]

I would like to write this expression: However, I am only able to produce: $$\nabla_cR_{abc}^e$$ this is with: \nabla_cR_{abc}^e How can I write sub and ...
154
votes
29answers
14k views

List of comment templates

Inspired by this question on meta.cstheory.SE. The post at meta.Tex.SE is quite impressive. We often leave generic comments to OP and answer posters such as "if this is a homework, please add a tag," ...

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