Math symbol for inexact differential

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w n

12 Nov 2019 12 Nov '19

11:26 p.m.

Working on some thermodynamics and I need a math symbol for an inexact differential, it is the letter d with a bar across. Tried the following but failed \starttext \def\dbar{{\mathchar'26\mkern-12mu d}} \startformula d u = \dbar q + \dbar w \stopformula \stoptext

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Hans Åberg

13 Nov 13 Nov

12:09 a.m.

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On 13 Nov 2019, at 00:26, w n wrote:

Working on some thermodynamics and I need a math symbol for an inexact differential, it is the letter d with a bar across.

Normally one is using a lowercase delta according to: https://en.wikipedia.org/wiki/Inexact_differential

w n

12:59 a.m.

True, I should not have used the term inexact differential. How can I get a math symbol with a "d" and a bar across ? On Wed, Nov 13, 2019 at 1:11 AM Hans Åberg wrote:

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On 13 Nov 2019, at 00:26, w n wrote:

Working on some thermodynamics and I need a math symbol for an inexact differential, it is the letter d with a bar across.

Normally one is using a lowercase delta according to: https://en.wikipedia.org/wiki/Inexact_differential

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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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Taco Hoekwater

8:36 a.m.

How about đ ? (U+00111) That is a character in Latin Extended-A, so most text fonts will have it (these days).

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On 13 Nov 2019, at 01:59, w n wrote:

True, I should not have used the term inexact differential. How can I get a math symbol with a "d" and a bar across ?

On Wed, Nov 13, 2019 at 1:11 AM Hans Åberg wrote:

...
On 13 Nov 2019, at 00:26, w n wrote:

Working on some thermodynamics and I need a math symbol for an inexact differential, it is the letter d with a bar across.

Normally one is using a lowercase delta according to: https://en.wikipedia.org/wiki/Inexact_differential

___________________________________________________________________________________ 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 ___________________________________________________________________________________ ___________________________________________________________________________________ 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 ___________________________________________________________________________________

Taco Hoekwater Elvenkind BV

w n

9:35 a.m.

@Taco, Can you give an example on how to use đ (U+00111) in \def\dbar{ ... } Ideally I want to do \startformula d u = \dbar q + \dbar w \stopformula On Wed, Nov 13, 2019 at 9:40 AM Taco Hoekwater wrote:

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How about đ ? (U+00111)

That is a character in Latin Extended-A, so most text fonts will have it (these days).

...
On 13 Nov 2019, at 01:59, w n wrote:

True, I should not have used the term inexact differential. How can I get a math symbol with a "d" and a bar across ?

On Wed, Nov 13, 2019 at 1:11 AM Hans Åberg wrote:

...
On 13 Nov 2019, at 00:26, w n wrote:

Working on some thermodynamics and I need a math symbol for an inexact differential, it is the letter d with a bar across.

Normally one is using a lowercase delta according to: https://en.wikipedia.org/wiki/Inexact_differential

___________________________________________________________________________________

...
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

___________________________________________________________________________________

...
___________________________________________________________________________________

...
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

___________________________________________________________________________________

Taco Hoekwater Elvenkind BV

___________________________________________________________________________________ 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

___________________________________________________________________________________

Taco Hoekwater

10:11 a.m.

Like this? \def\dbar{\mathop{\text{\it đ}}} I do not know whether you want it to be \mathop or \mathord

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On 13 Nov 2019, at 10:35, w n wrote:

Can you give an example on how to use đ (U+00111) in \def\dbar{ ... }

Taco Hoekwater Elvenkind BV

w n

10:38 a.m.

Thanks, that is exactly what I wanted. On Wed, Nov 13, 2019 at 11:13 AM Taco Hoekwater wrote:

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Like this?

\def\dbar{\mathop{\text{\it đ}}}

I do not know whether you want it to be \mathop or \mathord

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On 13 Nov 2019, at 10:35, w n wrote:

Can you give an example on how to use đ (U+00111) in \def\dbar{ ... }

Taco Hoekwater Elvenkind BV

___________________________________________________________________________________ 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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Hans Åberg
Taco Hoekwater
w n