How to write these two symbols in LaTeX
I know the Latex symbols are $\Delta$ but how to shade the Delta in Latex? Please help.
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I know the Latex symbols are $\Delta$ but how to shade the Delta in Latex? Please help.
\documentclass{article}
\usepackage{amssymb}
\usepackage{xcolor}
\begin{document}
\begin{enumerate}
\item \(\color{red}\blacktriangle\)
\item \(\color{red}\blacktriangledown\)
\end{enumerate}
\end{document}
That would give you
Here is a solution for LuaLaTeX or XeLaTeX:
\documentclass{article}
\tracinglostchars=3
\usepackage[svgnames]{xcolor}
\usepackage{newcomputermodern}
\newcommand\redtriangleup{\textcolor{Red}{\bigblacktriangleup}}
\newcommand\redtriangledown{\textcolor{Red}{\bigblacktriangledown}}
\begin{document}
\[ \redtriangleup\redtriangledown \]
\end{document}
In PDFTeX, load \usepackage{stix}
or \usepackage{stix2}
instead of \usepackage{newcomputermodern}
.
ETA: You can replace \bigblacktriangleup
with \blacktriangleup
and \bigblacktriangledown
with \blacktriangledown
as in needle’s answer, while using the same approach. Many more packages support these commands.