1

I am using Minion Pro and when I define equation I write equal sign as \triangleq but it comes out tiny. How to make it larger?

Here is the code:

\documentclass[conference,onecolumn,14pt]{IEEEtran}

\usepackage[mathlf,footnotefigures,minionint,textlf]{MinionPro}
\usepackage{MnSymbol}
\renewcommand{\sfdefault}{Myriad-LF}
\input{glyphtounicode}
\pdfgentounicode=1 
\usepackage{inconsolata}
\usepackage{amsmath}
\DeclareMathOperator{\Tr}{Tr}

\begin{document}

My equation is:
\begin{align}
  F\left(\mathbf{X},
  \mathbf{Y}\right)\triangleq\dfrac{\det\left(\mathbf{X}^\top\mathbf{Y}\right)}{\log\Tr(\mathbf{X})},
  \text{ if } \Tr(\mathbf{X})>0.
\end{align}

\end{document}

which gives me:

enter image description here

Now, as you can see, the triangle above the equal sign is really small. How to make it larger?

I can do an alternative solution by calling \coloneq instead of \triangleq but I prefer the triangle equal sign instead.

Thank you for your time.

2
  • See at link tex.stackexchange.com/questions/163829/delta-equal-to-symbol. There is a similar question.
    – Sebastiano
    Jan 11 '17 at 22:48
  • the font you're getting this symbol from is MnSymbol (not Minion Pro), which tends to have quite small symbols in general. other fonts have more intelligible forms of this symbol. check them out in the "comprehensive symbols list" (texdoc comprehensive and search for triangleq to see what's available). Jan 12 '17 at 16:15
3

Like this, with stackengine?

\documentclass[conference,onecolumn,14pt]{IEEEtran}

\usepackage[mathlf,footnotefigures,minionint,textlf]{MinionPro}
\usepackage{MnSymbol}
\renewcommand{\sfdefault}{Myriad-LF}
\input{glyphtounicode}
\pdfgentounicode=1
\usepackage{inconsolata}
\usepackage{amsmath}
\DeclareMathOperator{\Tr}{Tr}
\newcommand{\bigtriangleq}{\mathbin{\setstackgap{S}{0pt}\stackMath\Shortstack{\smalltriangleup\\ =}}}
\usepackage[usestackEOL]{stackengine} \begin{document}

My equation is:
\begin{align}
  F(\mathbf{X}, \mathbf{Y})\bigtriangleq \frac{\det(\mathbf{X}^\top\mathbf{Y})}{\log\Tr(\mathbf{X})},
  \text{ if } \Tr(\mathbf{X})>0.
\end{align}

\end{document} 

enter image description here

0

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