1

I have the following formula in an align environment

\documentclass[12pt]{article}

\begin{document}
\begin{align}
\hspace*{5mm}w_{c} = \large{\textit{f}} _{w,c} * \frac{log(|C|)}{\int _{w,C}}
\end{align}
\end{document}

But I want that function sign f to be much larger. I can do this with \mathcal, but I cannot manage it with ordinary letters.

  • Unrelated: the log should be coded \log. – Bernard Aug 16 at 9:43
  • Exactly why? It seems very strange – daleif Aug 16 at 9:44
  • @daleif Perhaps it's some kind of operator. – Steven B. Segletes Aug 16 at 10:13
  • @StevenB.Segletes then they are looking for a marked integral symbol (there are several of these) not an f – daleif Aug 16 at 12:03
1

Put the size specification inside the \textit.

\documentclass[12pt]{article}
\usepackage{amsmath}
\begin{document}
\begin{align}
\hspace*{5mm}w_{c} = {\textit{\LARGE f}} _{w,c} * \frac{\log(|C|)}{\int _{w,C}}
\end{align}
\end{document}

enter image description here

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