[NTG-context] new uplaod

Hans Hagen j.hagen at xs4all.nl
Thu Aug 25 18:17:11 CEST 2022


Hi,

I uploaded a new lmtx. Again some updated math of which details will be 
revealed later. Apart from some details we added suport for fourier 
notations. There are no high level definitions yet as we have to invent 
names but this is how it works (private unicode slots might change):

\setupbodyfont[pagella]

\starttext

\setupmathdelimited
   [topoffset=.2\exheight]

\definemathdelimited
   [fourier]
   [rule=no,
    left=\zerocount,
    right="FE944]

\definemathdelimited
   [courier]
   [rule=no,
    left=\zerocount,
    right="FE946]

\definemathdelimited
   [xourier]
   [rule=no,
    left=\zerocount,
    right="FE948]

$ \fourier{(z+1)} $

$ \fourier{(z+1)} + \sqrt[2]{1}$

$ \fourier{(z+1)} + \courier{(z+1)} + \xourier{(z+1)} $

$ \fourier{\left(z+\frac12\right)} + \courier{\left(z+\frac12\right)} + 
\xourier{\left(z+\frac12\right)} $

$ \autofences \fourier{(z+\frac12)} + \courier{(z+\frac12)} + 
\xourier{(z+\frac12)} $

$ \widehat{x^2 + 2x + 2} $

\stoptext

This example also shows a new \autofences feature and widehats 
(widetilde and widecheck also work that way) that overcome limitations 
in fonts, so

\def\CrappyHack#1{\im{#1{a} + #1{a+b} + #1{a+b+c} + #1{a+b+c+d} + 
#1{a+b+c+d+e} + #1{a+b+c+d+e+f}}\par}
\CrappyHack\widehat
\CrappyHack\widetilde
\CrappyHack\wideacute
\CrappyHack\widecheck

will work. For thise in finance we now have

$ \annuity{x + 1} + \lannuity{x + 1} + \rannuity{x + 1} + \lrannuity{x + 
1} $

these are basically radicals (like sqrt) with two sided symbols.

Hans


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