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Mendeleev
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Файл:Лабораторные работы / Программы (Pascal) - 1994 / GIDRA / STAT1my
.pasprogram stat;
const
np=9; nk=6; nv=12;
var
vm,v,ak:array[1..nk] of real; p:array[1..np] of real;
hg,h:array[1..2] of real;
a,b,c,e,ro,pn,g,x:real;
i,kl:integer;
bu:boolean;
FUNCTION SGN(ab:real):integer;
begin
if ab>0 then sgn:=1;
if ab<0 then sgn:=-1;
if ab=0 then sgn:=0;
end;
FUNCTION FUNC (x:real):real;
label 300,400;
var vm:array[1..5] of real;fx:real;
begin
h[1]:=x;
p[7]:=pn * hg[1] / (hg[1] - h[1]);
p[6]:=p[7] + ro * g * h[1] *0.000001;
v[1]:=ak[1] * SGN(p[1] - p[6]) * SQRt(ABS(p[1] - p[6]));
v[3]:=ak[3] * SGN(p[6] - p[3]) * SQRt(ABS(p[6] - p[3]));
v[4]:=ak[4] * SGN(p[6] - p[4]) * SQRt(ABS(p[6] - p[4]));
v[6]:=v[1] - v[3];
p[8]:=-SGN(v[6]) * SQR(v[6] / ak[6]);
v[5]:=ak[5] * SGN(p[8] - p[5]) * SQRt(ABS(p[8] - p[5]));
v[2]:=ak[2] * sgn(p[2] - p[8]) * SQRt(ABS(p[2] - p[8]));
fx:=(v[2] + v[6] - v[5]) * ro;
FOR i:=1 TO 6 do
vm[i]:=v[i] * ro;
IF kl = 0 THEN goto 400;
IF kl = 1 THEN goto 300;
writeln;
writeln( h[1]:nv:5, p[6]:nv:5, vm[1]:nv:5);
writeln(' ', p[7]:nv:5, vm[2]:nv:5);
writeln(' ', p[8]:nv:5, vm[3]:nv:5);
writeln(' ', vm[4]:nv:5);
writeln(' ', vm[5]:nv:5);
writeln(' ', vm[6]:nv:5);
300: writeln('x = ', x, ' fx = ', fx);
400: FUNC := fx;
end;
PROCEDURE MPD(a,b,eps:real; var bu:boolean; var xcon:real);
var fa,fb,x,fx:real;
label met;
begin
fa:=func(a); fb:=func(b);
if fa*fb>0 then
begin
writeln('!!! ђ……Ќ€џ Ќ…’ '); bu:=false; goto met;
end;
repeat
x:=(a+b)/2;
fx:=func(x);
if fx*fa<0 then b:=x else a:=x;
until abs(a-b)<eps;
xcon:=abs(a+b)/2; bu:=true;
met:
end;
begin
writeln('Ћ’ЌЋ‘€’…‹њЌЂџ ЏЋѓђ…ЌЋ‘’њ ( % ) = ');read(e);
writeln('‚›‘Ћ’Ђ …ЊЉЋ‘’€ (1,2) /Њ/ = ');read( hg[1], hg[2]);
writeln('Џ‹Ћ’ЌЋ‘’њ /ЄЈ/¬3/ = ');read(ro);
writeln('ЌЂ—. „Ђ‚‹…Ќ€… /ЊЇ / = ');read(pn);
writeln('„Ђ‚‹…Ќ€… (1-5) /ЊЇ / = ');
FOR i := 1 TO 5 do read(p[i]);
writeln('ЉЋќ”. ЏђЋЏ“‘ЉЌЋ‰ ‘ЏЋ‘ЋЃЌЋ‘’€ (1-6) = ');
FOR i := 1 TO 6 do read(ak[i]);
writeln('‚›‚Ћ„ ЏђЋЊ…†“’Ћ—. : Ќ…’ - 0 —Ђ‘’ - 1 ЏЋ‹Ќ - 2 ');read(kl);
IF kl = 2 THEN writeln(' h p(6-9) vm');
g:= 9.815; e:= e / 100; a:= 0; b:= hg[1] * (1 - e);
MPD(a, b, e,bu, x);
if bu then
begin
a := ro * g * 0.000001;
b := p[8] + ro * g * hg[2] *0.000001;
c:= (p[8] - pn) * hg[2];
h[2]:= (b - SQRt(b * b - 4 * a * c)) / (2 * a);
p[9]:= pn * hg[2] / (hg[2] - h[2]);
FOR i := 1 TO 6 do vm[i]:= v[i] * ro; writeln;
writeln('ђ…‡“‹њ’Ђ’');
writeln; writeln(' h p(6-9) vm'); writeln;
writeln(h[1]:nv:5, p[6]:nv:5, vm[1]:nv:5);
writeln(h[2]:nv:5, p[7]:nv:5, vm[2]:nv:5);
writeln(' ', p[8]:nv:5, vm[3]:nv:5);
writeln(' ', p[9]:nv:5, vm[4]:nv:5);
writeln(' ', vm[5]:nv:5);
writeln(' ', vm[6]:nv:5);
end
else
begin
kl:=2;
writeln('a=',a:12:5);
writeln(' h p(6-9) vm');
x:=func(a);
writeln('fa= ',x);
writeln('b=',b:12:5);
writeln(' h p(6-9) vm');
x:=func(b);
writeln('fb= ',x);
end;
END.