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(2a01cb00068e0300b9fba1942e61ed47.ipv6.abo.wanadoo.fr. [2a01:cb00:68e:300:b9fb:a194:2e61:ed47]) by smtp.gmail.com with ESMTPSA id g54sm2691201edc.91.2018.01.14.04.13.54 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 14 Jan 2018 04:13:54 -0800 (PST) Importance: normal X-Priority: 3 In-Reply-To: X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.16 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ntg-context-bounces@ntg.nl Original-Sender: "ntg-context" Xref: news.gmane.org gmane.comp.tex.context:99840 Archived-At: --===============6033448865084182512== Content-Type: multipart/alternative; boundary="_8A165818-60BF-47EE-B675-F9324CF7F35D_" --_8A165818-60BF-47EE-B675-F9324CF7F35D_ Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Hi Fabrice, string.format behaves more or less as C printf. You probably need to specif= y %.4g in 1st argument. Hope this helps Best Joseph De=C2=A0: Fabrice Couvreur Envoy=C3=A9 le=C2=A0:dimanche 14 janvier 2018 13:05 =C3=80=C2=A0: mailing list for ConTeXt users Objet=C2=A0:[NTG-context] Problem with string.format (Lua) Hello, I start with Lua and I try to display my result with 4 decimal places witho= ut success. Thank you Fabrice \startluacode function Binomial(n,k,p) =C2=A0=C2=A0=C2=A0 if k > n then return nil end =C2=A0=C2=A0=C2=A0 if k > n/2 then k =3D n - k end=20 =C2=A0 =C2=A0=C2=A0=C2=A0 numer, denom =3D 1, 1 =C2=A0=C2=A0=C2=A0 for i =3D 1, k do =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 numer =3D numer * ( n - i + 1 ) =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 denom =3D denom * i =C2=A0=C2=A0=C2=A0 end =C2=A0=C2=A0=C2=A0 return (numer/denom) * p^k * (1-p)^(n-k) end \stopluacode \starttext \ctxlua{print(string.format("%g",Binomial(100,60,0.25)))} \stoptext --_8A165818-60BF-47EE-B675-F9324CF7F35D_ Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8"

Hi Fabrice,

 

string.format behaves more or less = as C printf. You probably need to specify %.4g in 1st argument.

Hope this helps

 

<= p class=3DMsoNormal>Best

Joseph

 

De : Fabrice Couvreur
Envoy=C3=A9 le&n= bsp;:dimanche 14 janvier 2018 13:05
=C3=80 : mailing list for ConTeXt users
Objet&n= bsp;:[NTG-context] Problem with string.format (Lua)

 

Hello,
I start with Lua and I try to display my result with 4 decima= l places without success.
Thank youFabrice

\startlua= code
function Binomial(n,k,p)
    if k > n then return nil end<= br>    if k > n/2 then k =3D n - k e= nd
 
&n= bsp;   numer, denom =3D 1, 1
 = ;   for i =3D 1, k do
  =       numer =3D numer * ( n - i + 1 )
        denom =3D den= om * i
    end
    return (numer/denom) * p^k * (1-p)^(n-k= )
end

\st= opluacode

\starttext
\ctxlua{print(string.format("%g",Binomial(100,60,0.25= )))}
\stoptext

 

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