[sage-devel] Re: \Bold command definition in every LaTeX output
Le jeudi 23 décembre 2021 à 03:16:13 UTC+1, John H Palmieri a écrit :
> Sure, that sounds like a good idea.
>
>
In the above example, I used LatexExpr as a place holder for
_bold_command, but maybe there is a better way (at least, LatexExpr has the
advantage to not require any new injection in the global namespace).
Eric.
> - John
>
> On Wednesday, December 22, 2021 at 3:05:44 AM UTC-8 Eric Gourgoulhon wrote:
>
>> Le mercredi 22 décembre 2021 à 00:26:58 UTC+1, John H Palmieri a écrit :
>>
>>> I have no objection to this, but the purpose for using \Bold{...} was to
>>> make its behavior easily customizable, since some people might want
>>> \mathbf{...} and some might want \mathbb{...}.
>>>
>>
>> The customization could be performed at the Python level, instead of the
>> LaTeX one, e.g. something like:
>>
>> def _latex_(self):
>> return LatexExpr.bold_command() + r"{Q}"
>>
>> with bold_command() being a static method of LatexExpr that returns the
>> class attribute _bold_command. The latter would be initialized to
>> r"\mathbf" and could be customized by the end user thanks to some
>> static/class method of LatexExpr, e.g.
>>
>> sage: LatexExpr.set_bold_command("mathbb")
>>
>> Eric.
>>
>
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[sage-devel] Re: \Bold command definition in every LaTeX output
Sure, that sounds like a good idea.
- John
On Wednesday, December 22, 2021 at 3:05:44 AM UTC-8 Eric Gourgoulhon wrote:
> Le mercredi 22 décembre 2021 à 00:26:58 UTC+1, John H Palmieri a écrit :
>
>> I have no objection to this, but the purpose for using \Bold{...} was to
>> make its behavior easily customizable, since some people might want
>> \mathbf{...} and some might want \mathbb{...}.
>>
>
> The customization could be performed at the Python level, instead of the
> LaTeX one, e.g. something like:
>
> def _latex_(self):
> return LatexExpr.bold_command() + r"{Q}"
>
> with bold_command() being a static method of LatexExpr that returns the
> class attribute _bold_command. The latter would be initialized to
> r"\mathbf" and could be customized by the end user thanks to some
> static/class method of LatexExpr, e.g.
>
> sage: LatexExpr.set_bold_command("mathbb")
>
> Eric.
>
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[sage-devel] Re: \Bold command definition in every LaTeX output
On Tuesday, December 21, 2021 at 3:26:58 PM UTC-8 John H Palmieri wrote:
> I have no objection to this, but the purpose for using \Bold{...} was to
> make its behavior easily customizable, since some people might want
> \mathbf{...} and some might want \mathbb{...}.
>
If we are keeping \Bold for this purpose, perhaps we should change
\newcommand to \providecommand, which would fix OP's issue
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[sage-devel] Re: \Bold command definition in every LaTeX output
Le mercredi 22 décembre 2021 à 00:26:58 UTC+1, John H Palmieri a écrit :
> I have no objection to this, but the purpose for using \Bold{...} was to
> make its behavior easily customizable, since some people might want
> \mathbf{...} and some might want \mathbb{...}.
>
The customization could be performed at the Python level, instead of the
LaTeX one, e.g. something like:
def _latex_(self):
return LatexExpr.bold_command() + r"{Q}"
with bold_command() being a static method of LatexExpr that returns the
class attribute _bold_command. The latter would be initialized to
r"\mathbf" and could be customized by the end user thanks to some
static/class method of LatexExpr, e.g.
sage: LatexExpr.set_bold_command("mathbb")
Eric.
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[sage-devel] Re: \Bold command definition in every LaTeX output
I have no objection to this, but the purpose for using \Bold{...} was to
make its behavior easily customizable, since some people might want
\mathbf{...} and some might want \mathbb{...}. Are you suggesting replacing
\Bold in the latex() method for the object, or keeping it but doing the
redefinition as \mathbf using Python/Sphinx rather than in LaTeX?
--
John
On Tuesday, December 21, 2021 at 8:54:56 AM UTC-8 Matthias Koeppe wrote:
> On Tuesday, December 21, 2021 at 2:49:11 AM UTC-8 Eric Gourgoulhon wrote:
>
>> Unless there might be a reason for it, why not replacing lines like
>> return r"\Bold{Q}"
>> by
>> return r"\mathbf{Q}"
>> in the relevant _latex_ methods ?
>>
>
> +1
>
>
>
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[sage-devel] Re: \Bold command definition in every LaTeX output
On Tuesday, December 21, 2021 at 2:49:11 AM UTC-8 Eric Gourgoulhon wrote:
> Unless there might be a reason for it, why not replacing lines like
> return r"\Bold{Q}"
> by
> return r"\mathbf{Q}"
> in the relevant _latex_ methods ?
>
+1
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Re: [sage-devel] Re: \Bold command definition in every LaTeX output
I would vote for updating our LaTeX methods to use more standard macros.
On Tue, 21 Dec 2021, 10:49 Eric Gourgoulhon, wrote:
> Hi,
>
> Le lundi 20 décembre 2021 à 12:06:05 UTC+1, AlbertHilb a écrit :
>
>> Problem solved! Thank you very much!
>>
>
> That being said, it seems to me that these \newcommand{Bold} in each LaTeX
> output (!) are an unnecessary pollution of the Jupyter notebooks in
> %display latex mode. Unless there might be a reason for it, why not
> replacing lines like
> return r"\Bold{Q}"
> by
> return r"\mathbf{Q}"
> in the relevant _latex_ methods ? (the above example is line 279 of
> src/sage/rings/rational_field.py)
>
> Eric.
>
>
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>
> .
>
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[sage-devel] Re: \Bold command definition in every LaTeX output
Hi,
Le lundi 20 décembre 2021 à 12:06:05 UTC+1, AlbertHilb a écrit :
> Problem solved! Thank you very much!
>
That being said, it seems to me that these \newcommand{Bold} in each LaTeX
output (!) are an unnecessary pollution of the Jupyter notebooks in
%display latex mode. Unless there might be a reason for it, why not
replacing lines like
return r"\Bold{Q}"
by
return r"\mathbf{Q}"
in the relevant _latex_ methods ? (the above example is line 279 of
src/sage/rings/rational_field.py)
Eric.
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[sage-devel] Re: \Bold command definition in every LaTeX output
Problem solved! Thank you very much!
Il giorno domenica 19 dicembre 2021 alle 21:55:55 UTC+1
dmo...@deductivepress.ca ha scritto:
> Yes, this is the intended behaviour. If you don't like it, then, as a
> workaround, you could try to clear the variable called
> "sage_configurable_latex_macros". YMMV, but this works for me in a fresh
> sage session:
> sage: from sage.misc.latex_macros import sage_configurable_latex_macros
> sage: global sage_configurable_latex_macros
> sage:
> sage_configurable_latex_macros.remove("\\newcommand{\\Bold}[1]{\\mathbf{#1}}")
> If I now type "html(x)", then the result is "\[x\]", instead
> of "\[\newcommand{\Bold}[1]{\mathbf{#1}}x\]".
>
> If that gives errors due to a bad definition of "\\Bold", then maybe you
> should also do:
> sage:
> sage_configurable_latex_macros.append("\\renewcommand{\\Bold}[1]{\\mathbf{#1}}")
>
> On Sunday, December 19, 2021 at 7:34:13 AM UTC-7 AlbertHilb wrote:
>
>> Hi all.
>>
>> I noted every command LaTeX output is prefaced by the definition of a
>> \Bold newcommand even if the \Bold command is not really used in the
>> output.
>> For example, if I type "1" and press return I get
>>
>> \newcommand{\Bold}[1]{\mathbf{#1}}1
>>
>> Is this intended?
>>
>> Among other things, the presence of the newcommand definition prevent me
>> from using KaTeX as LaTeX renderer because it complains \Bold command
>> already exists and \renewcommand should be used to redefine it.
>>
>> I use SageMath 9.4 binary for Ubuntu 20.04 64 bit with jupyterlab 3.2.4
>> as frontend.
>>
>>
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[sage-devel] Re: \Bold command definition in every LaTeX output
Yes, this is the intended behaviour. If you don't like it, then, as a
workaround, you could try to clear the variable called
"sage_configurable_latex_macros". YMMV, but this works for me in a fresh
sage session:
sage: from sage.misc.latex_macros import sage_configurable_latex_macros
sage: global sage_configurable_latex_macros
sage:
sage_configurable_latex_macros.remove("\\newcommand{\\Bold}[1]{\\mathbf{#1}}")
If I now type "html(x)", then the result is "\[x\]", instead
of "\[\newcommand{\Bold}[1]{\mathbf{#1}}x\]".
If that gives errors due to a bad definition of "\\Bold", then maybe you
should also do:
sage:
sage_configurable_latex_macros.append("\\renewcommand{\\Bold}[1]{\\mathbf{#1}}")
On Sunday, December 19, 2021 at 7:34:13 AM UTC-7 AlbertHilb wrote:
> Hi all.
>
> I noted every command LaTeX output is prefaced by the definition of a
> \Bold newcommand even if the \Bold command is not really used in the
> output.
> For example, if I type "1" and press return I get
>
> \newcommand{\Bold}[1]{\mathbf{#1}}1
>
> Is this intended?
>
> Among other things, the presence of the newcommand definition prevent me
> from using KaTeX as LaTeX renderer because it complains \Bold command
> already exists and \renewcommand should be used to redefine it.
>
> I use SageMath 9.4 binary for Ubuntu 20.04 64 bit with jupyterlab 3.2.4 as
> frontend.
>
>
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