2
votes
1answer
87 views

Subscripts on Variables uneven

When I write something like $|x_n y_n - xy|<\epsilon$ the n's in the subscripts are placed at different depths, which looks awkward in my opinion. For instance, see this post over on ...
3
votes
3answers
246 views

Equations in normal LaTeX to MathJax formatting

To use the align environment in a document one does something like: \begin{align*} x &= \sqrt{4^2-1^2} \\ &= \sqrt{15}. \end{align*}put However, to achieve the same desired output on a ...
4
votes
1answer
307 views

Cancellation in fractions [closed]

This came up in Math.SE. Is there any way to produce a single cancellation across two fractions, like this? Ideally, it should be MathJax compatible, since that's what we use over there. ...
1
vote
0answers
74 views

Lines in matrices don't work in mathjax [closed]

Mathjax and latex don't produce the same result: Code: \begin{array}{c|c} \lambda & b^* \\ \hline 0 & B \\ \end{array} \right) Latex: Mathjax: Would there be a trick so ...
2
votes
1answer
472 views

How can I make height-matched absolute value symbols without including packages? [closed]

I want to use the following formula: or, in markup: $$| \sum_i \vec{v}_i \Delta t_i |$$ I want to make nice height-matched absolute value delimiters, but I can't use any packages (I'm using ...
7
votes
3answers
427 views

zero-installation LaTeX-ish math for casual users?

I teach physics at a community college, often to biology majors who are not math or computer geeks. For certain assignments, I require them to type up materials that include math. A typical ...
8
votes
2answers
2k views

What parsers for (La)TeX mathematics exist outside of the TeX engines?

Inspired by the author's motivation for asking Is there a BNF grammar of tex language. Are there any well done libraries that can parse some subset of TeX mathematics independently of the TeX engine? ...
2
votes
2answers
3k views

Why does the less than equal to symbol not appear as intended in the following code?

When I use the following code on stats.stackexchange.com (which is powered by MathJax) the \le does not render properly. Is this a bug in MathJax or am I not using the \le symbol properly? $X_3 = ...