Hi,
I improved the code to be able to display the grid but I cannot display the
coefficients.
Thank you
Fabrice

\starttext

\startluacode
     function Binom(n,k)
       if k > n then
             return 0
       elseif (n == 0 or k == 0) then
             return 1
       else
             return (n*Binom(n-1,k-1))/k
       end

    end

    context.startxtable({"align={middle,lohi},
width=1.2cm,offset=0.8ex,bodyfont=9pt"})
    for i = 1, 10 do
          context.startxrow({"background=color,backgroundcolor=cyan"})
            for j = 1, i do
                  context.startxcell()
                     \ctxlua{context(Binom(i,j))}
                  context.stopxcell()
             end
          context.stopxrow()
    end
   context.stopxtable()

\stopluacode

\stoptext


Le sam. 18 juil. 2020 à 20:32, Wolfgang Schuster <
wolfgang.schuster.li...@gmail.com> a écrit :

> Fabrice Couvreur schrieb am 18.07.2020 um 20:05:
>
> Hello,
> I want to display the values of Pascal's triangle in a table.
> Unfortunately my knowledge of Lua is not sufficient to run this code.
> Thank you.
> Fabrice
>
> \starttext
>
> \startluacode
>      function Binom(n,k)
>        if k > n then
>              return 0
>        elseif (n == 0 or k == 0) then
>              return 1
>        else
>              return (n*Binom(n-1,k-1))/k
>      end
>              context(Binom(n,k))
>
> Are you sure you want to use context(...) here?
>
>     end
>
>     context.startxtable({"align={middle,lohi},
> width=1.2cm,offset=0.8ex,bodyfont=9pt"})
>     context.startxrow({"background=color,backgroundcolor=green"})
>     for i = 0, 10 do
>       for j = 0, i do
>           context.startxcell()
>             context(Binom(i,j))
>           context.stopxcell()
>       end
>     end
>     context.stopxrow()
>
> context.stopxtable()
>
> Wolfgang
>
>
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