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| Program Monte_Carlo;
uses crt;
var
n,i,j,alfa:integer;
u,u1,u2,gamma,betta,S,x,mat1,mat2,mat3,mat4,disp1,disp2,disp3,disp4,summa1,summa2:real;
mat,dispt:real;
data:array[1..1000] of real;
ksi:array[1..1000] of real;
procedure Rav;
begin
u:=u1+u2;
if u>4 then u:=u-4;
gamma:=u/4;
u1:=u2;
u2:=u;
end;
begin
clrscr;
u1:=3.1415926;
u2:=0.542101887;
alfa:=1.037;
betta:=0.028;
summa1:=0;
summa2:=0;
n:=10;
for i:=1 to n do
begin
S:=0;
for j:=1 to alfa do
begin
Rav;
x:=ln(gamma)/(-betta);
S:=S+x;
end;
data[i]:=s;
writeln(i,' -ий интервал. - ',data[i]:4:2);
summa1:=summa1+data[i];
end;
mat1:=summa1/n;
for i:=1 to n do
begin
ksi[i]:=sqr(data[i]-mat1);
summa2:=summa2+ksi[i];
end;
disp1:=summa2/(n-1);
summa1:=0;
summa2:=0;
n:=100;
for i:=1 to n do
begin
S:=0;
for j:=1 to alfa do
begin
Rav;
x:=ln(gamma)/(-betta);
S:=S+x;
end;
data[i]:=s;
summa1:=summa1+data[i];
end;
mat2:=summa1/n;
for i:=1 to n do
begin
ksi[i]:=sqr(data[i]-mat2);
summa2:=summa2+ksi[i];
end;
disp2:=summa2/(n-1);
summa1:=0;
summa2:=0;
n:=500;
for i:=1 to n do
begin
S:=0;
for j:=1 to alfa do
begin
Rav;
x:=ln(gamma)/(-betta);
S:=S+x;
end;
data[i]:=s;
summa1:=summa1+data[i];
end;
mat3:=summa1/n;
for i:=1 to n do
begin
ksi[i]:=sqr(data[i]-mat3);
summa2:=summa2+ksi[i];
end;
disp3:=summa2/(n-1);
summa1:=0;
summa2:=0;
n:=1000;
for i:=1 to n do
begin
S:=0;
for j:=1 to alfa do
begin
Rav;
x:=ln(gamma)/(-betta);
S:=S+x;
end;
data[i]:=s;
summa1:=summa1+data[i];
end;
mat4:=summa1/n;
for i:=1 to n do
begin
ksi[i]:=sqr(data[i]-mat4);
summa2:=summa2+ksi[i];
end;
disp4:=summa2/(n-1);
mat:=alfa/betta;
dispt:=alfa/(betta*betta);
writeln('|====================================================|');
writeln('| | Оценка | Оценка |');
writeln('| | MO | дисперсии |');
writeln('| n |--------------------------------|---------------------------------------|');
writeln('| | теор. | оценка | теор. | оценка |');
writeln('|---------------------------------------------------------------------------|');
writeln('| 10 |',mat:4:2,'| ',mat1:4:2,' | ',dispt:4:2,'| ',disp1:5:2,' |');
writeln('| 100 | | ',mat2:4:2,' | | ',disp2:5:2, ' |');
writeln('| 500 | | ',mat3:4:2,' | | ',disp3:5:2, ' |');
writeln('| 1000 | | ',mat4:4:2,' | | ',disp4:5:2, ' |');
writeln('|====================================================|');
writeln;
readln;
end. |
(
