TeX - LaTeX Asked by Kostrahb on July 28, 2021
How may I define mytensor
to look just like double sided arrow from vec
?
I have tried overset{text{tiny$leftrightarrow$}}{#1}
as described here but it isn’t exactly what I want (at least with default amsmath). It would suffice in worst case scenario but it would be better to have uniform style in my bachelor thesis.
Also I have found that I can change font via package unicode-math and get what I want (with leftrightarrow
) but as I’m not using XeLaTeX nor LuaLaTex that doesn’t work either. Would it be possible to use that font without using XeLaTeX and LuaLaTex?
You might use the old-arrows
package that provides arrows with smaller tips. However, using the package would change all arrows in the document, which is possibly not desired, so we can fetch just the necessary bits:
documentclass{article}
usepackage{amsmath}
DeclareFontFamily{OMS}{oasy}{skewcharfont48 }
DeclareFontShape{OMS}{oasy}{m}{n}{%
<-5.5> oasy5 <5.5-6.5> oasy6
<6.5-7.5> oasy7 <7.5-8.5> oasy8
<8.5-9.5> oasy9 <9.5-> oasy10
}{}
DeclareFontShape{OMS}{oasy}{b}{n}{%
<-6> oabsy5
<6-8> oabsy7
<8-> oabsy10
}{}
DeclareSymbolFont{oasy}{OMS}{oasy}{m}{n}
SetSymbolFont{oasy}{bold}{OMS}{oasy}{b}{n}
DeclareMathSymbol{smallleftarrow} {mathrel}{oasy}{"20}
DeclareMathSymbol{smallrightarrow} {mathrel}{oasy}{"21}
DeclareMathSymbol{smallleftrightarrow}{mathrel}{oasy}{"24}
newcommand{tensor}[1]{overset{scriptscriptstylesmallleftrightarrow}{#1}}
begin{document}
$tensor{x}$
end{document}
The definitions for smallrightarrow
and smallleftarrow
are not required, but they make no harm.
Correct answer by egreg on July 28, 2021
Use stackrel{leftrightarrow}{x}
Answered by Archisman Panigrahi on July 28, 2021
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