# Linked Questions

0answers
1k views

### Difference between \mathrm, \operatorname and \text? [duplicate]

Possible Duplicate: What’s the difference between \mathrm and \operatorname? I am a beginner of latex, and am always having a hard time differentiate these commands since they seem always produce ...
0answers
17 views

### Spacing of a macro similar to \sin [duplicate]

I want to create a macro \dom (for domain) that behaves similarly to \sin in the sense that it has spacing \, if it is followed by a letter such as in \dom a and that is has no spacing if followed by ...
7answers
50k views

### Define additional math operators to be typeset in roman

Mathematical operators, such as function names, should be set in roman type, not italics. Latex already has commands for some operators, including \max, \min, and \log. How can I define additional ...
1answer
7k views

### Which command should I use for textual subscripts in math mode?

Textual subscripts like in W_{total} should be typeset in an upright text font (so that code isn't good practice), as has been discussed in various questions here. Now there are several ways to ...
1answer
346 views

### Further questions about mathrm and operatorname: spacing after \colon

EDIT: As clarified in the answers below, this appears to be a bug with amsmath and colon and thus doesn't really have anything to do with mathrm versus operatorname. This question contains an ...
3answers
456 views

### How to properly typeset E_{\mathrm{k}} in beamer

Scientific typography makes an important distinction between italic type and roman (upright) type (exemplary source). The symbol for kinetisch energy is E_k with E printed in italic type, k printed ...
2answers
3k views

### Correctly left align a set of equations

I have a set of equations and I want to have them left-aligned instead of center-aligned. Also, I want them all to be numbered. I searched a bit and found that using flalign we can achieve this. But ...
1answer
2k views

### How to insert long subscripts involving characters?

I tried to write METrate (where rate denotes the subscript) as $MET_rate$. But only r appears as subscript.When I tried writing it as $MET_r_a_t_e$ I get it in the correct format during compilation as ...
1answer
493 views

### Error using equation*

I get an error in the following: \documentclass[12pt,a4paper,english]{article} \usepackage{amsmath} \begin{document} \begin{equation*} \left\{\begin{matrix} u_t+vu_x=0 & x \in \mathbb{R}\\ g(x)=...
1answer
469 views

### Incompatibility of lmodern and fourier?

Using the lmodern package, I had the typical font size issues in math mode: for example the sums were not large enough in some of my equations. To solve this I followed egreg's answer to the following ...
1answer
50 views

### Proper way to semantically enclose several characters as a single name

Answering this question could involve saying something about MathJax. It depends on what turns out to be the answer. I am interested in how things should be done in the LaTeX side, though. LaTeX, as ...