Re: [NTG-context] Some symbols of mathematical calculus missing?

21 Apr 2009

Thanks for nabla.
I can handle the commands for multiple integrals by myself in the way I sketched before. 

Contour integral \oint is working but not correctly in my case. This code:

\starttext
\startformula
\oint\limits_{\partial S} \vec{F}\cdot{\rm d}\vec{l}=\mathop{\int\!\!\!\int}\limits_{\bs S\phantom{M}} \vec{\nabla} \times \vec{F}\cdot{\rm d}\vec{S}
\stopformula
\stoptext

gives the result in the attachment (I know I can typeset it by a combination of \circle and \int or something similar, my point is just to show the problem with \oint).

Thanks for help,
Best regards,
Tomas

______________________________________________________________
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Od: adityam@umich.edu
Komu: mailing list for ConTeXt users 
Datum: 21.04.2009 15:35
Předmět: Re: [NTG-context] Some symbols of mathematical calculus missing?
On Tue, 21 Apr 2009, Tomas Kisela wrote:
...
Hi all,
I need to typeset some equations and I found out that these commands are undefined or don't work correctly (ver: 2009.04.17 19:32 MKIV):
iint, iiint, etc.
oint, oiint, etc.
I don't know why iint and iint are failing. oiint is not defined in mkii, so there is no definition in mkiv. oint is working here.
...
nabla
Change the following in math-vfu

diff --git a/math-vfu.lua b/math-vfu.lua
index 386175d..7c30c37 100644
--- a/math-vfu.lua
+++ b/math-vfu.lua
@@ -929,7 +929,7 @@ fonts.enc.math["traditional-sy"] = {
     [0x02240] = 0x6F, -- wr
     [0x0221A] = 0x70, -- sqrt. AM: Check surd??
     [0x02A3F] = 0x71, -- amalg
-    [0x02207] = 0x72, -- nabla
+    [0x1D6FB] = 0x72, -- nabla
 --  [0x0222B] = 0x73, -- smallint (TODO: what about intop?)
     [0x02294] = 0x74, -- sqcup
     [0x02293] = 0x75, -- sqcap
...
What is the prefered way of typesetting those symbols? (e.g. mathop{int !!! int} or something like that?)
It is more complicated, since you need to adjust for limits. These are defined in math-ini.mkiv, but for some reason the definitions are not kicking in.
Aditya
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