Mathex: Generating latex math from Pharo.

> Hi everyone,
>
> Some time ago, I asked for a framework that would allow me to write valid
> latex math from Pharo
> (in a similar way that I used to do with pylatex in Python) see the thread
> here:
> http://forum.world.st/Generate-latex-from-Pharo-td4826739.html.
>
> Damien Cassou pointed me the Pillar-ExporterLaTeX package to do it, so I
> used it to create the
> Mathex package that you can get here:
> https://github.com/juliendelplanque/mathex
> or by evaluating:
>
> Metacello new
>     baseline: 'Mathex';
>     repository: 'github://juliendelplanque/mathex/repository';
>     load.
>
> for tests:
>
> Metacello new
>     baseline: 'MathexTests';
>     repository: 'github://juliendelplanque/mathex/repository';
>     load.
>
> From now, it does not support all the possible math commands of latex but
> you can already do things like:
>
> (Phi equal: ((1 asMathex + 5 asMathex sqrt) // 2)) equation asString.
>
> and get:
>
> \begin{equation}
> \phi=\frac{ 1 +\sqrt{ 5 }}{ 2 }\end{equation}
>
> Also, and in fact this is the kind of feature I was looking for, you can
> export a Matrix into latex math like this:
>
> (Matrix diagonal: #(42 42 42)) asMathex asString.
>
> Each command/operation is represented by an object in the package.
> To understand how I implemented that have a look on the
> MObject>>#doesNotUnderstand: where I explain it.
>
> I will soon work on an importer that will create, automatically, latex
> command as objects from a file that describe
> how to do it.
>
> What do you think about this?
>
> Hope this package could helps someone else one day.

> Hi everyone,
>
> Some time ago, I asked for a framework that would allow me to write
> valid latex math from Pharo
> (in a similar way that I used to do with pylatex in Python) see the
> thread here:
> http://forum.world.st/Generate-latex-from-Pharo-td4826739.html.
>  From now, it does not support all the possible math commands of latex
> but you can already do things like:
>
> (Phi equal: ((1 asMathex + 5 asMathex sqrt) // 2)) equation asString.
>
> and get:
>
> \begin{equation}
> \phi=\frac{ 1 +\sqrt{ 5 }}{ 2 }\end{equation}

> Hi Julien,
>
> Julien Delplanque <[hidden email]> writes:
>
>> Hi everyone,
>>
>> Some time ago, I asked for a framework that would allow me to write
>> valid latex math from Pharo
>> (in a similar way that I used to do with pylatex in Python) see the
>> thread here:
>> http://forum.world.st/Generate-latex-from-Pharo-td4826739.html.
>>   From now, it does not support all the possible math commands of latex
>> but you can already do things like:
>>
>> (Phi equal: ((1 asMathex + 5 asMathex sqrt) // 2)) equation asString.
>>
>> and get:
>>
>> \begin{equation}
>> \phi=\frac{ 1 +\sqrt{ 5 }}{ 2 }\end{equation}
>
> I think that's great news! One of Pillar's feature requests is to let
> users write LaTeX (e.g., formulas) in their pillar document and get nice
> results in all exports (LaTeX, HTML, ePub...):
> https://github.com/pillar-markup/pillar/issues/18. I'm not sure how this
> request fits in your work, but there might be some intersection.
>

> On 07/09/15 13:56, Damien Cassou wrote:
>> Julien Delplanque <[hidden email]> writes:
>>>
>>> (Phi equal: ((1 asMathex + 5 asMathex sqrt) // 2)) equation asString.
>>>
>>> and get:
>>>
>>> \begin{equation}
>>> \phi=\frac{ 1 +\sqrt{ 5 }}{ 2 }\end{equation}
>>
>> I think that's great news! One of Pillar's feature requests is to let
>> users write LaTeX (e.g., formulas) in their pillar document and get nice
>> results in all exports (LaTeX, HTML, ePub...):
>> https://github.com/pillar-markup/pillar/issues/18. I'm not sure how this
>> request fits in your work, but there might be some intersection.
>>
> I guess if a latex math parser is created, it is possible to use objects
> from Mathex to represent an equation as Mathex objects.
>
> After that the translation to html should be easy.
>
> Maybe I'll give a try if I have some time.

> Julien Delplanque <[hidden email]> writes:
>
>> On 07/09/15 13:56, Damien Cassou wrote:
>>> Julien Delplanque <[hidden email]> writes:
>>>> (Phi equal: ((1 asMathex + 5 asMathex sqrt) // 2)) equation asString.
>>>>
>>>> and get:
>>>>
>>>> \begin{equation}
>>>> \phi=\frac{ 1 +\sqrt{ 5 }}{ 2 }\end{equation}
>>> I think that's great news! One of Pillar's feature requests is to let
>>> users write LaTeX (e.g., formulas) in their pillar document and get nice
>>> results in all exports (LaTeX, HTML, ePub...):
>>> https://github.com/pillar-markup/pillar/issues/18. I'm not sure how this
>>> request fits in your work, but there might be some intersection.
>>>
>> I guess if a latex math parser is created, it is possible to use objects
>> from Mathex to represent an equation as Mathex objects.
>>
>> After that the translation to html should be easy.
>>
>> Maybe I'll give a try if I have some time.
> we could ask the Pillar users to write using Mathex directly so we don't
> have to write a LaTeX parser. The only remaining thing is to generate
> png pictures from Mathex objects for inclusion in HTML.
>

>
>
> On 08/09/15 16:36, Damien Cassou wrote:
>> Julien Delplanque <[hidden email]> writes:
>>
>>> On 07/09/15 13:56, Damien Cassou wrote:
>>>> Julien Delplanque <[hidden email]> writes:
>>>>> (Phi equal: ((1 asMathex + 5 asMathex sqrt) // 2)) equation asString.
>>>>>
>>>>> and get:
>>>>>
>>>>> \begin{equation}
>>>>> \phi=\frac{ 1 +\sqrt{ 5 }}{ 2 }\end{equation}
>>>> I think that's great news! One of Pillar's feature requests is to let
>>>> users write LaTeX (e.g., formulas) in their pillar document and get
>>>> nice
>>>> results in all exports (LaTeX, HTML, ePub...):
>>>> https://github.com/pillar-markup/pillar/issues/18. I'm not sure how
>>>> this
>>>> request fits in your work, but there might be some intersection.
>>>>
>>> I guess if a latex math parser is created, it is possible to use
>>> objects
>>> from Mathex to represent an equation as Mathex objects.
>>>
>>> After that the translation to html should be easy.
>>>
>>> Maybe I'll give a try if I have some time.
>> we could ask the Pillar users to write using Mathex directly so we don't
>> have to write a LaTeX parser. The only remaining thing is to generate
>> png pictures from Mathex objects for inclusion in HTML.
>>
> Oh yeah, it would be easier to set up I guess :)
>
>

> Hi,
>
> On 08/09/15 13:02, Julien Delplanque wrote:
>>
>>
>> On 08/09/15 16:36, Damien Cassou wrote:
>>> Julien Delplanque <[hidden email]> writes:
>>>
>>>> On 07/09/15 13:56, Damien Cassou wrote:
>>>>> Julien Delplanque <[hidden email]> writes:
>>>>>> (Phi equal: ((1 asMathex + 5 asMathex sqrt) // 2)) equation
>>>>>> asString.
>>>>>>
>>>>>> and get:
>>>>>>
>>>>>> \begin{equation}
>>>>>> \phi=\frac{ 1 +\sqrt{ 5 }}{ 2 }\end{equation}
>>>>> I think that's great news! One of Pillar's feature requests is to let
>>>>> users write LaTeX (e.g., formulas) in their pillar document and
>>>>> get nice
>>>>> results in all exports (LaTeX, HTML, ePub...):
>>>>> https://github.com/pillar-markup/pillar/issues/18. I'm not sure
>>>>> how this
>>>>> request fits in your work, but there might be some intersection.
>>>>>
>>>> I guess if a latex math parser is created, it is possible to use
>>>> objects
>>>> from Mathex to represent an equation as Mathex objects.
>>>>
>>>> After that the translation to html should be easy.
>>>>
>>>> Maybe I'll give a try if I have some time.
>>> we could ask the Pillar users to write using Mathex directly so we
>>> don't
>>> have to write a LaTeX parser. The only remaining thing is to generate
>>> png pictures from Mathex objects for inclusion in HTML.
>>>
>> Oh yeah, it would be easier to set up I guess :)
>>
>>
>
> Or maybe use mathjax instead of png to generate math on HTML:
>
> https://www.mathjax.org/
>
> Cheers,
>
> Offray
>
>
>