* All Equations
@ 2021-12-10 16:59 Henning Hraban Ramm via ntg-context
2021-12-10 17:03 ` Aditya Mahajan via ntg-context
2021-12-10 17:06 ` Wolfgang Schuster via ntg-context
0 siblings, 2 replies; 4+ messages in thread
From: Henning Hraban Ramm via ntg-context @ 2021-12-10 16:59 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Henning Hraban Ramm
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Since I never used math with ConTeXt, I tried to replicate XKCD 2034 as
an exercise (see below and attached). I’d like to put it on the wiki and
in my book.
I know this is nonsense, but I’d like to do it right.
In some cases I’m unsure which symbol the author meant, e.g. p or \rho,
0 or O, 1 or I or | ...
Yes, I could have used proper Unicode characters (ρ, π etc.).
Can you answer my questions (%? in the source)? (Partly TeX related,
partly math/physics related.)
"""
\setupinteraction[state=start]
\starttext
\subject{All equations\footnote{according to
\goto{XKCD}[url(https://xkcd.com/2034/)]}...}
... of Kinematics:
\startformula E = K_0t + \frac{1}{2}\rho vt^2 \stopformula
% ? Should it be v or \nu?
... of Number Theory:
\startformula K_\Lambda =
\sum^\infty_{i=0}\sum^\infty_{\pi=0}(n-\pi)(i+e^{\pi-\infty})\stopformula
... of Fluid Dynamics:
\startformula \frac{\delta}{\delta_t}\nabla\cdot\rho =
\frac{8}{23}\oiint\rho d_s
d_t\cdot\rho\frac{\delta}{\delta_\nabla}\stopformula
% ? Would ds dt be better than d_s d_t?
... of Quantum Mechanics:
\startformula I\Psi_{x,y}>=A(\Psi)A(I\times>\oplus Iy>)\stopformula
% ? Should those be I, 1 or |, > or some angle bracket?
... of Chemistry:
\startformula CH_4 + OH + HEAT \rightarrow H_2O + CH_2 + H_2EAT\stopformula
% ? Should we something different for chem. formulae?
... of Quantum Gravity:
\startformula SU(2)U(I) \times SU(U(2))\stopformula
% It’s not even an equation...
... of Gauge Theory:
\startformula
S_g =
\frac{-I}{2\bar{\epsilon}} i \delta
\left(
\xi_{\delta_0} \mathring{+} \rho_\epsilon \rho_v^{abc}\cdot\eta_0
\right)
f_a^0 a\lambda(\rotate[rotation=180,location=high]{\xi})\Psi(O_a)
\stopformula
% ? I guess the first \delta should be crossed somehow?
% ? Is it possible to get \hat accents over the brackets? \hat{\left(}
doesn’t work.
% ? What’s that symbol after \right) ? (f with two bars, maybe kind of
integral?)
... of Cosmology:
\startformula h(t) + \Omega + G \cdot \Lambda ...
\startmathcases
\NC ... > 0 \TC (Hubble Model) \NR
\NC ... = 0 \TC (Flat Squere Model) \NR
\NC ... < 0 \TC (Bright Dark Matter Model) \NR
\stopmathcases
\stopformula
... of Truly Deep Physics: \startformula \hat{H} - \c{u}_0 = O\stopformula
% ? How can I get a cedilla under the u? \c{u} is wrong.
\page
\subject{Original}
\externalfigure[https://imgs.xkcd.com/comics/equations.png][width=\textwidth]
\stoptext
"""
Hraban
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* Re: All Equations
2021-12-10 16:59 All Equations Henning Hraban Ramm via ntg-context
@ 2021-12-10 17:03 ` Aditya Mahajan via ntg-context
2021-12-10 18:06 ` Henning Hraban Ramm via ntg-context
2021-12-10 17:06 ` Wolfgang Schuster via ntg-context
1 sibling, 1 reply; 4+ messages in thread
From: Aditya Mahajan via ntg-context @ 2021-12-10 17:03 UTC (permalink / raw)
To: Henning Hraban Ramm via ntg-context; +Cc: Aditya Mahajan
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On Fri, 10 Dec 2021, Henning Hraban Ramm via ntg-context wrote:
> Since I never used math with ConTeXt, I tried to replicate XKCD 2034 as an
> exercise (see below and attached). I’d like to put it on the wiki and in my
> book.
>
> I know this is nonsense, but I’d like to do it right.
https://www.explainxkcd.com/wiki/index.php/2034:_Equations
Aditya
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maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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archive : https://bitbucket.org/phg/context-mirror/commits/
wiki : http://contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: All Equations
2021-12-10 16:59 All Equations Henning Hraban Ramm via ntg-context
2021-12-10 17:03 ` Aditya Mahajan via ntg-context
@ 2021-12-10 17:06 ` Wolfgang Schuster via ntg-context
1 sibling, 0 replies; 4+ messages in thread
From: Wolfgang Schuster via ntg-context @ 2021-12-10 17:06 UTC (permalink / raw)
To: mailing list for ConTeXt users, Henning Hraban Ramm via ntg-context
Cc: Wolfgang Schuster
Henning Hraban Ramm via ntg-context schrieb am 10.12.2021 um 17:59:
> Since I never used math with ConTeXt, I tried to replicate XKCD 2034
> as an exercise (see below and attached). I’d like to put it on the
> wiki and in my book.
>
> I know this is nonsense, but I’d like to do it right.
>
> In some cases I’m unsure which symbol the author meant, e.g. p or
> \rho, 0 or O, 1 or I or | ...
> Yes, I could have used proper Unicode characters (ρ, π etc.).
>
> Can you answer my questions (%? in the source)? (Partly TeX related,
> partly math/physics related.)
https://www.explainxkcd.com/wiki/index.php/2034:_Equations
Wolfgang
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___________________________________________________________________________________
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: All Equations
2021-12-10 17:03 ` Aditya Mahajan via ntg-context
@ 2021-12-10 18:06 ` Henning Hraban Ramm via ntg-context
0 siblings, 0 replies; 4+ messages in thread
From: Henning Hraban Ramm via ntg-context @ 2021-12-10 18:06 UTC (permalink / raw)
To: ntg-context; +Cc: Henning Hraban Ramm
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Am 10.12.21 um 18:03 schrieb Aditya Mahajan via ntg-context:
> On Fri, 10 Dec 2021, Henning Hraban Ramm via ntg-context wrote:
>
>> Since I never used math with ConTeXt, I tried to replicate XKCD 2034 as an
>> exercise (see below and attached). I’d like to put it on the wiki and in my
>> book.
>>
>> I know this is nonsense, but I’d like to do it right.
>
> https://www.explainxkcd.com/wiki/index.php/2034:_Equations
Thank you, Aditya & Wolfgang! (Aditya posted first, but Wolfgang’s
message arrived earlier – geography seems to matter ;)
So I could fix most of my issues, just the “gauge theory” and “truly
deep physics” examples I can’t complete, and the website unfortunately
doesn’t contain the (LaTeX) code of those.
- How can I put a hat accent on \left( and \right) ?
– f̵ and u̧ use combining accents; the characters show correctly in my
editor, but not in the resulting PDF.
Hraban
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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://context.aanhet.net
archive : https://bitbucket.org/phg/context-mirror/commits/
wiki : http://contextgarden.net
___________________________________________________________________________________
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