own commands in KaTeX plugin

[Maaaaaaaaaaaaaaartin]

Dear all,

I need to define my own LaTeX commands to efficiently use the KaTeX plugin. Is there a way to do so? Thanks!

Martin

[Maaaaaaaaaaaaaaartin]

Any help with that? Thanks! Martin

[Ste Wilson]

I think there was a thread on this not too long ago..

[Ste Wilson]

https://groups.google.com/forum/m/#!searchin/TiddlyWiki/Katex$20commands/tiddlywiki/vYBfUAriyRU

Don't know if that's helpful.

[Mark S.]

I think you're asking about using the \newcommand ??

Looking at the Katex library upon which the plugin is based, it kind of looks like \newcommand isn't there.

A different approach might be to provide substitutions via TW macros. See:

https://groups.google.com/forum/#!searchin/tiddlywiki/katex%7Csort:date/tiddlywiki/vYBfUAriyRU/UzyxnDxZAAAJ

The original request was to do substitution in the text. Looking at the plugin code, I think that it might be possible to rewrite it so that it makes use of a data dictionary, allowing a user to define their own substitutions. But that would still not be quite the same as defining new commands that take new parameters.

Mark

[Martin Genet]

Thanks Mark! Martin

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[dva...@gmail.com]

Hi,

I found that that can be done by just putting your custom commands in a regular tiddler, in math mode. For e.g. my tiddler is titled "Latex Definitions" and has the following content:

%custom environments and fonts
$\newcommand{\beq}{\begin{equation}}$
$\newcommand{\eeq}{\end{equation}}$
$\newcommand{\bea}{\begin{eqnarray}}$
$\newcommand{\eea}{\end{eqnarray}}$
$\newcommand{\mx}{\mbox}$
$\newcommand{\mt}{\mathtt}$
$\newcommand{\mf}{\mathbf}$
$\newcommand{\mb}{\mathbb}$

%text
$\newcommand{\ie}{{\it{i.e.}~\}}$
$\newcommand{\eg}{{\it{e.g.}\}}$
$\newcommand{\hs}{\hspace{5mm}}$
$\newcommand{\vs}{\vspace{5mm}\\}$

%math
$\newcommand{\vectb}[1]{\boldsymbol{#1}}$
$\newcommand{\vecta}[1]{\overrightarrow{#1} }$
$\newcommand{\expect}[1]{\langle #1\rangle}$
$\newcommand{\innerp}[2]{\langle #1 \vert #2 \rangle}$
$\newcommand{\bra}[1]{\langle #1 \vert}$
$\newcommand{\ket}[1]{\vert #1 \rangle}$
$\newcommand{\supersc}[1]{$^{\textrm{#1}}$}$
$\newcommand{\subsc}[1]{$_{\textrm{#1}}$}$

And that works just fine. Only problem is this tiddler has to be loaded at startup and I still can't figure out how to do that. TW 2.x had the SystemTiddler tag, but I'm not sure how to do that in TW 5.x. So I have to manually load the tiddler and then the definitions work everywhere.

Hope that helps,

Best,

Deepak

[Diego Mesa]

Hello,

Did you (or anyone) ever find a solution to this?