On 2018-11-07, Patrick Dupre wrote:
>> On 2018-11-07 07:21, Patrick Dupre wrote: >> > Hello, >> > >> > I used to use small formula in section or sub-section title. >> > Unfortunately, if latex manage the font of the Titles (by typically >> > using a bold font) for the regular text, it just use the "standard" >> > font for the formula. >> > The transition from bold to regular is just ugly. Is there a way to >> > coordinate the fonts? >> > >> > Thank. >> Hi, >> Just to be sure: So just using \boldsymbol manually for formulas in the >> title and headings does not work for you, right? You want it to switch >> automatically whenever the surrounding text is bold? >> Daniel > Yes, I could edit each formula of the section title, but I would like to find > an automatic way to have these formula, let say in \boldsymbol. > Actually, my formula are already in \rm (Chemistry formula for example). > They cannot be switched in \boldsymbol, but probably in \mathbf The LaTeX tool for adapting a math formula to bold text style is switching to the math version "bold" *before* the formula. http://ctan.math.washington.edu/tex-archive/macros/latex2e/contrib/isomath/isomath.html#math-font-selection The switch is valid until another \mathversion command or the end of the current group (e.g. a section command argument): \documentclass[]{article} \begin{document} \section{$\mathrm{H_20}$ \mathversion{bold} $\mathrm{H_20}$} back to normal math version $\mathrm{H_20}$ switch to bold math version \mathversion{bold} test $\mathrm{H_20}$ \end{document} Some symbols don't exist in a bold version, so it may become a strange mix of bold and normal characters, though. There are packages that allow to define a default command for each section, so you can automate the math version switch. If you are using the KOMA-Script document classes, see their documentation for details. Hope this helps, Günter
