The unicode-math package distinguishes between text letters in math mode ( \mathrm) and upright math symbols ( \symup ). However, it is clear that the text in question is displayed in italics. This is a special calligraphic font in math mode. These can be different to math italic letters depending on the specific class used. As mentioned in the comments, \mathrm{f}will insert a letter from the text font as a math symbol. }, the latter being used predominantly for typesetting units or symbols and not pure text (since it gobbles spaces that are not escaped). This is a special calligraphic font in math mode. xlabel ( ['$ (\mathrm {\overline {u}}) (m/s)$'],'interpreter','latex . It can be used for uppercase letters only, such as for identifying real numbers. This gives sans serif letters in math mode. There is a simple way to add "normal text" fragments in math mode. LaTeX forum Text Formatting How to have Italic AND bold, in math mode ? or \mathrm {. This will give text italic letters. Copy. In the present form, LaTeX does not know that it corresponds to a specific math notation, you have to tell it that the letters go together and they should not be italicized as usual variables. Here's an example set in ISO style in legacy NFSS mode. \mbox {.} You need to either escape the backslash so that it gets passed through to . \mathsf {.} This gives sans serif letters in math mode. In certain cases it may be desirable to include "normal text" within an equation. \mathit {.} LaTeX math mode and italics. However, you need to change the upright math alphabet to notice any difference in appearance. 3. 5 posts Page 1 of 1. The constants i, e and are all upright, but the variable xis italic. Italicized text To make a text italic is straightforward, use the \emph or \textit command: Some of the greatest discoveries in science were made by \emph{ accident } . It is sometimes useful to add text in Latex formulas or equations. These can be different to math italic letters depending on the specific class used. communities including Stack Overflow, the largest, most trusted online community for developers learn, share their knowledge, and build their careers. The font type LaTeX uses in math mode is somewhat special since it is optimized for writing mathematical formulas. bold, italic, enumerations, .) - Corentin Don't (don't you dare) use math mode for italics. is another alternative to \textrm {. You can try adding \DeclareMathOperator {\Gal} {Gal} in the preamble, which should do just that (and then $\Gal (f)$ in the body of the text). Hence, in order to add normal text, we need special commands such as \text, \textrm, \mbx and \textnormal. Information and discussion about LaTeX's general text formatting features (e.g. Don't use math mode for words. It's an awfully simple rule: Don't put words (of more than one letter) in pure math mode. In LaTeX math mode, spaces are overlooked, and letters are rendered in italics. Open this LaTeX fragment in Overleaf. }, since it resets its contents to text mode by \mathcal {R} will give . Visit Stack Exchange Tour Start here for quick overview the site Help Center Detailed answers. You'll notice that the upright letters are the same as from the text font. on a case-by-case basis, it is possible to typeset text within math mode using \textrm {.} How to put text in math and what is the way of embedding text into math mode: \textrm , \text Cham Posts: 937 Joined: Sat Apr 02, 2011 2:06 pm. \mathcal {R} will give . It can be used for uppercase letters only, such as for identifying real numbers. This post discusses these methods and highlight the difference through illustrative examples. This will give text italic letters. Link. There are two issues here, one of which is simpler to fix than the other: the first issue is that the "\b" in your string literal will be interpreted as a Python-level string escape: "\b" is an ASCII backspace character, in the same way that "\t" is a tab character. \mathsf {.} \mathit {.} 1 But there's a way out if you want the interpreter to use a non-italic font. Letters are printed in italics, with more space left in-between, spaces are ignored. Hi Roederer, The overline on u would be there due to the fonts being used during the LaTeX interpreter. For example, when using those old commands you can't apply both italics and bold at the same time. unicode-math package distinguishes between text letters in math mode ( \mathrm ) and upright math symbols ( \symup However, you need to change the upright math alphabet to notice any difference in appearance. For this, you need to encapsulate the expression with \mathrm {} like below: Theme. This should be carved into the monitor of every mathematician and (particularly) computer scientist who ever wrote a paper in LaTeX.