Re: Math Equations Instant Preview Does not Work
Baris Erkus via lyx-users <[email protected]> Fri, 10 Jul 2026 15:24:51 +0300
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On 7/10/2026 9:20 AM, Baris Erkus via lyx-users wrote:
> LyX does not "instant preview" the math equations anymore. It did,
> before. I do not know what I did that caused this behavior. I think,
> LyX 2.5.1 was able to instant preview the equations, but not sure.
>
> When I enter into an equation editing box, and go out momentarily, the
> instant preview works on that specific equation. When I exit LyX and
> reopen, the same cycle repeats.
>
> I am betting that this is related to either updated permissions of
> Windows 11, updated TexLive, some issues with the LyX cache or smtg
> similar.
>
> I will see if I can fix it by myself, but I want to know if anybody
> else experience a similar issue, and what would be suggested checklist
> of actions on this?
>
> Baris
>
Answering my own question:
Seems like if an equation is put into an landscape environment along
with some other formatting command, that specific equation locks the
instant preview of the whole document:
\begin{landscape} \vspace*{\fill} \resizebox{\linewidth}{!}{
$\setcellgapes{9pt}\makegapedcells\ensuremath{
\global\long\def\arraystretch{2.2}%
\begin{array}{cc}
a & d\\
c & b
\end{array}}$
}\vspace*{\fill} \end{landscape}
See the attached MWE.
Baris
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<div class="moz-cite-prefix">On 7/10/2026 9:20 AM, Baris Erkus via
lyx-users wrote:<br>
</div>
<blockquote type="cite" cite="mid:DB9PR08MB8339E8EA216991F7AE94C7C5DEFD2@DB9PR08MB8339.eurprd08.prod.outlook.com">LyX
does not "instant preview" the math equations anymore. It did,
before. I do not know what I did that caused this behavior. I
think, LyX 2.5.1 was able to instant preview the equations, but
not sure.
<br>
<br>
When I enter into an equation editing box, and go out momentarily,
the instant preview works on that specific equation. When I exit
LyX and reopen, the same cycle repeats.
<br>
<br>
I am betting that this is related to either updated permissions of
Windows 11, updated TexLive, some issues with the LyX cache or
smtg similar.
<br>
<br>
I will see if I can fix it by myself, but I want to know if
anybody else experience a similar issue, and what would be
suggested checklist of actions on this?
<br>
<br>
Baris
<br>
<br>
</blockquote>
<p><br>
</p>
<p>Answering my own question:</p>
<p>Seems like if an equation is put into an landscape environment
along with some other formatting command, that specific equation
locks the instant preview of the whole document:</p>
<p><font face="monospace">\begin{landscape} \vspace*{\fill}
\resizebox{\linewidth}{!}{</font></p>
<p><font face="monospace">$\setcellgapes{9pt}\makegapedcells\ensuremath{</font></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><font face="monospace">\global\long\def\arraystretch{2.2}%</font></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:1;"><font face="monospace">\begin{array}{cc}</font></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:1;"><font face="monospace">a & d\\</font></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:1;"><font face="monospace">c & b</font></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><font face="monospace">\end{array}}$</font></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><font face="monospace"><br>
</font>
</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><font face="monospace">}\vspace*{\fill} \end{landscape}</font></p>
<p>See the attached MWE.</p>
<p>Baris</p>
<p><br>
</p>
</body>
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