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(* Méthode des rectangles LyON 90 *) program 1yon90;
uses crt;
var n, i- : integer;
function f ( ixe:real ) :real ;
begin
f::4/ (l+ixe*ixe);
end;
begin
clrscr,-
write('Donnez la valeur de n. n:r.)ireAqh(n).
writeln;writeln( ru( r rD,, )=r
rrectangle(Or1 rn) ) ;
end.
Q Arctu,
t = lt .
§o ::ll
runcrron rectangle ( Bornelnf , BorneSup: real ; haine : integer ) : real ;
var k: integer;rrpas : real ;
begin
pas i:j BorneSup-BorneInf ) /haine;
r:=f (Bornefnf ),.
for k:=1 to haine-L do
r::r*f ( Bornefnf+k*pas ) ; rectangle. =rrkpas;
end;
Donnez
ra vâffi
u(tO;= 3.2O344161_2OE+OO
(* Héthode des rectangles LyON 9O *)
progrram 1yon90;
uses crt;
const DimMax=204g,.
type tableau=arrayt1. .3,1. .DimMaxl of real;
var n, i : integer;a,b: real ;tab:tableau,.
function f(ixe:real):rea1 i .,
begin
f::4/t1+ixe*ixe); ii
end,' )-..
È
f
function rectangle ( Bornernf , Bornesup: rear ; haine: integer ) : real ;
var k: integer;rrpas : real ;
begin
pas: = ( BorneSup-BorneInf ) /haine i r t:f ( Bornelnf ) ;
for k:=1 to haine-1 do r::r*f(Bornelnf+k*pas);
rectangle: =r*pas i end;
procedure TroisSuites ( Bornelnf , BorneSup : real ; pe : integer ; var T: tableau )
var k,puis:integer;
begin
puis::1 ;
for k::O to pe+2 do
begin
t [ 1, k ] : :rectangle( Bornelnf , BorneSup, puis ) ;puis : :puis+puis ; end;
for k::0 to pe+l do tL2,kl::2*t[1,k+1]-t[1,k];
for k::0 to pe do t[3,k]:=14*t[2tk+L]-tl2,k1)/Z;
end;
begin
clrscr;
writeln('Je vous propose de calculer le terme de la writeln;write('Donnez p. p:, ) ;readln(p),-
write('Donnez la borne inférieure de lrrintervalle readln(a);
write('Donnez la borne supérieure de Irrintervalle
readln ( b) ;writeln;
TroisSuites ( â rb, p, tab) ;
puissance:=Lî ", :1*)
for i::0 to p do
suite w d"indice 2 puissanc
d"intégration. a:, );
d"intégration. b:, ) i
begin
write('u(' rpuissancet2,, ):r rtab[ 1 ri ] ) ; write(' y(' ,puissancez2,, )=, ,tab[ 2 r:-]);
writeln(' vtt',puissancez2 r, l:r,tab[3ri] ) ; pui ssance : :puJ-ssance+pui ssance ;
end; i .
writeln('u(,rpuissance:2 rr):rrtab[1rp+1]r, y(r,puissance:2,r)=r,tabIZ,p+L]);
puissance::puissance+puissance; writeln( ru( r rpuissance, , )=r',tabI t,p+2]);
end.
Je vous Donnez Donnez Donnez
u( 1):
u( 2):
u( 4):
u( 8)=
u( 1-6 ):
propose de calculer le terme de ta suite w d,indice 2 puissance p P. P:2
la borne inférieure Ia borne supérieure
4. OOoooOOoooE+oO v(
3.6OO0OOOOooE+oO v(
3.381L764706E+Oo v(
3.2639A84945E+00 v(
3 .20344L61-208+OO
de f intervalle drintégration. â:0 de ]'intervalle drintégratiort. b:l_
1): 3.2OOO00OOOOE+OO w( 1): 3.14980392168+00
2): 3 .L62352941-28+oo w( Z): 3 . llrors 377 4fl,+Oo 4\: 3.1-4680051848+00 w( 4)= 3.14'[592BOO0E+OO
8)= 3.14289472968+00 j
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