ΠΡΡΠΈΡΠ»Π΅Π½ΠΈΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΡ ΡΡΠ½ΠΊΡΠΈΠΈ y (x)
J:=(ln (abs (3+x*x*x))*(abs (3+x*x*x)/(3+x*x*x)))-(exp ((cos (x)*cos (x))*ln (2))); j:=(ln (abs (3+x*x*x))*(abs (3+x*x*x)/(3+x*x*x)))-(exp ((cos (x)*cos (x))*ln (2))); ΠΡΡΠΈΡΠ»ΠΈΡΡ Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅ ΡΡΠ½ΠΊΡΠΈΠΈ y (x) Ρ ΡΡΠ»ΠΎΠ²ΠΈΠ΅ΠΌ Π½Π° ΠΏΡΠΎΠΌΠ΅ΠΆΡΡΠΊΠ΅ Ρ ΡΠ°Π³ΠΎΠΌ h=0.5. ΠΡΠ²ΠΎΠ΄: Ρ.ΠΊ. ΠΎΡΠ²Π΅ΡΡ Π² Pascal, Excel, MathCAD ΠΈ Delphi ΡΠΎΡΠ»ΠΈΡΡ — ΡΠ΅ΡΠ΅Π½ΠΈΠ΅ Π²Π΅ΡΠ½ΠΎ. ΠΡΠ²ΠΎΠ΄: Ρ.ΠΊ. ΠΎΡΠ²Π΅ΡΡ Π² Pascal, Excel, MathCAD ΠΈ Delphi ΡΠΎΡΠ»ΠΈΡΡ — ΡΠ΅ΡΠ΅Π½ΠΈΠ΅ Π²Π΅ΡΠ½ΠΎ… Π§ΠΈΡΠ°ΡΡ Π΅ΡΡ >
ΠΡΡΠΈΡΠ»Π΅Π½ΠΈΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΡ ΡΡΠ½ΠΊΡΠΈΠΈ y (x) (ΡΠ΅ΡΠ΅ΡΠ°Ρ, ΠΊΡΡΡΠΎΠ²Π°Ρ, Π΄ΠΈΠΏΠ»ΠΎΠΌ, ΠΊΠΎΠ½ΡΡΠΎΠ»ΡΠ½Π°Ρ)
ΠΠ°Π΄Π°Π½ΠΈΠ΅ 1.1
ΠΡΡΠΈΡΠ»ΠΈΡΡ Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅ ΡΡΠ½ΠΊΡΠΈΠΈ y (x) Π½Π° ΠΏΡΠΎΠΌΠ΅ΠΆΡΡΠΊΠ΅ [1;2.8] Ρ ΡΠ°Π³ΠΎΠΌ h=0.3.
Π Pascal:
program z1;
uses crt;
var Xn, Xk, X, Y, H, Z:REAL;
begin
clrscr;
write ('βEnter Xn, Xk, H=');
readln (Xn, Xk, H);
X:=Xn;
repeat
z:= 1-exp ((0.5)*x);
if z=0 then writeln ('NO') else
Y:=ln (6.8*sqrt (x))*(exp ((1/3)*(ln (abs (Z))))*(abs (Z)/Z));
writeln ('X=', X:6:1,' Y=', Y:8:3);
X:=X+H;
until X>=Xk+H/2;
readkey;
end.
Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΠΉ:
Π Excel:
Π MathCAD:
Π Delphi:
var
i:integer;
s, Xn, z, F, h, Xk:real;
procedure TForm1. BitBtn1Click (Sender: TObject);
begin
Xn:=strtoFloat (edit1.text);
h:=strtoFloat (edit2.text);
Xk:=strtoFloat (edit3.text);
repeat
z:= 1-exp ((0.5)*Xn);
F:=ln (6.8*sqrt (Xn))*(exp ((1/3)*(ln (abs (Z))))*(abs (Z)/Z));
Memo1.Lines.Add ('x='+FormatFloat ('0.0', xn)+' y='+FormatFloat ('0.000', F));
Xn:=Xn+h;
until Xn>Xk;
end;
procedure TForm1. BitBtn2Click (Sender: TObject);
begin
form1.close;
end;
end.
ΠΡΠ²ΠΎΠ΄: Ρ.ΠΊ. ΠΎΡΠ²Π΅ΡΡ Π² Pascal, Excel, MathCAD ΠΈ Delphi ΡΠΎΡΠ»ΠΈΡΡ — ΡΠ΅ΡΠ΅Π½ΠΈΠ΅ Π²Π΅ΡΠ½ΠΎ.
ΠΠ»ΠΎΠΊ-ΡΡ Π΅ΠΌΠ° Π°Π»Π³ΠΎΡΠΈΡΠΌΠ° ΡΠ΅ΡΠ΅Π½ΠΈΡ Π·Π°Π΄Π°Π½ΠΈΡ № 1.1
ΠΠ°Π΄Π°Π½ΠΈΠ΅ 1.2
ΠΡΡΠΈΡΠ»ΠΈΡΡ Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅ ΡΡΠ½ΠΊΡΠΈΠΈ y (x) Ρ ΡΡΠ»ΠΎΠ²ΠΈΠ΅ΠΌ Π½Π° ΠΏΡΠΎΠΌΠ΅ΠΆΡΡΠΊΠ΅ [-2;3] Ρ ΡΠ°Π³ΠΎΠΌ h=0.5
Π Pascal:
program z2;
uses crt;
label 20;
var x, y, Xn, Xk, h: real;
begin clrscr;
writeln ('Please ENTER Xn, Xk, h=');
readln (Xn, Xk, h);
x:=Xn;
while x<=Xk+h/2 do
begin
if x<0 then y:=1/sin (x) else
if (x>=0) and (x<2) then y:=(2*x)/((abs (x-2)/(x-2))*(exp (1/3*(ln (abs (x-2)))))) else
if x>2 then y:=sqr (cos (x))/(x-2)
else
begin
writeln ('NO answer');
goto 20;
end;
writeln ('x=', x:3:1,' y=', y:6:3);
20: x:=x+h;
end;
readkey;
end.
Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΠΉ:
ΠΊΠΎΠΌΠΏΡΡΡΠ΅ΡΠ½ΡΠΉ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΠ΅ ΡΡΠ½ΠΊΡΠΈΡ Π°Π»Π³ΠΎΡΠΈΡΠΌ
Π Excel:
Π MathCAD:
Π Delphi:
var
x, Xn, Xk, h, y: Real;
begin
Xn:=strtoFloat (edit1.text);
Xk:=strtoFloat (edit2.text);
h:=strtoFloat (edit3.text);
begin
x:=Xn;
while x<=Xk+h/2 do
begin
If (x=2) then
begin
memo1.Lines.Add ('No answer');
end
else
begin
if x<0 then y:=1/sin (x) else
if (x>=0) and (x<2) then y:=(2*x)/((abs (x-2)/(x-2))*(exp (1/3*(ln (abs (x-2)))))) else
if x>2 then y:=sqr (cos (x))/(x-2);
memo1.Lines.Add ('y='+FormatFloat ('0.000', y));
Series1.AddXY (x, y,'', clred);
end;
x:=x+h;
end;
end;
end;
end.
ΠΡΠ²ΠΎΠ΄: Ρ.ΠΊ. ΠΎΡΠ²Π΅ΡΡ Π² Pascal, Excel, MathCAD ΠΈ Delphi ΡΠΎΡΠ»ΠΈΡΡ — ΡΠ΅ΡΠ΅Π½ΠΈΠ΅ Π²Π΅ΡΠ½ΠΎ.
ΠΠ»ΠΎΠΊ-ΡΡ Π΅ΠΌΠ° Π°Π»Π³ΠΎΡΠΈΡΠΌΠ° ΡΠ΅ΡΠ΅Π½ΠΈΡ Π·Π°Π΄Π°Π½ΠΈΡ: 1.2
ΠΠ°Ρ ΠΎΠΆΠ΄Π΅Π½ΠΈΠ΅ ΡΡΠ½ΠΊΡΠΈΠΈ, Π·Π°Π΄Π°Π½Π½ΠΎΠΉ ΡΡΠ»ΠΎΠ²ΠΈΠ΅ΠΌ:
ΠΡΡΠΈΡΠ»ΠΈΡΡ ΡΡΠ½ΠΊΡΠΈΡ y (x) ΠΏΠΎ Π·Π°Π΄Π°Π½Π½ΠΎΠΌΡ ΠΌΠ°ΡΡΠΈΠ²Ρ x
Π Pascal:
program zadanie3;
uses crt;
const n=4;
var x, y: array[1.n] of real;
i:integer;
z, j, d:real;
begin
clrscr;
for i:=1 to n do
begin
write ('Enter x[i]=');
readln (x[i]);
end;
for i:=1 to n do
begin
j:=exp (x[i])-8.35*x[i]*x[i];
z:=exp (1/3*ln (abs (j)))*(abs (j)/j);
d:=exp (x[i]*ln (37))+ln (abs (sin (2*x[i])))*(abs (2*x[i])/2*x[i]);
y[i]:=z/d;
writeln ('x[i]=', x[i]:5:1,' y[i]=', y[i]: 5:3);
end;
readkey;
end.
Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΠΉ:
Π Excel:
Π MathCAD:
Π Delphi:
var x, y: array[0.3]of real;
i:integer;
z, j, d:real;
begin
randomize;
for i:=0 to 3 do
begin
x[i]: =strtofloat (stringGrid1.cells[i, 0]);
j:=exp (x[i])-8.35*x[i]*x[i];
z:=exp (1/3*ln (abs (j)))*(abs (j)/j);
d:=exp (x[i]*ln (37))+ln (abs (sin (2*x[i])))*(abs (2*x[i])/2*x[i]);
y[i]:=z/d;
stringgrid1.Cells[i, 1]:=FormatFloat ('0.000', y[i]);
end;
end;
procedure TForm1. BitBtn2Click (Sender: TObject);
begin
form1.close;
end;
end.
ΠΡΠ²ΠΎΠ΄: Ρ.ΠΊ. ΠΎΡΠ²Π΅ΡΡ Π² Pascal, Excel, MathCAD ΠΈ Delphi ΡΠΎΡΠ»ΠΈΡΡ — ΡΠ΅ΡΠ΅Π½ΠΈΠ΅ Π²Π΅ΡΠ½ΠΎ.
ΠΠ»ΠΎΠΊ-ΡΡ Π΅ΠΌΠ° Π°Π»Π³ΠΎΡΠΈΡΠΌΠ° ΡΠ΅ΡΠ΅Π½ΠΈΡ Π·Π°Π΄Π°Π½ΠΈΡ № 1.3
ΠΠ°Ρ ΠΎΠΆΠ΄Π΅Π½ΠΈΠ΅ ΡΡΠ½ΠΊΡΠΈΠΈ Π·Π°Π΄Π°Π½Π½ΠΎΠΌ ΠΌΠ°ΡΡΠΈΠ²Π΅:
ΠΠ°Π΄Π°Π½ΠΈΠ΅ 1.4
ΠΠ°ΠΉΡΠΈ ΡΡΠΌΠΌΡ, Π΅ΡΠ»ΠΈ Π·Π°Π΄Π°Π½Π° ΡΡΠ½ΠΊΡΠΈΡ y (x), Π·Π°Π΄Π°Π½ ΠΌΠ°ΡΡΠΈΠ² Π°, Π΄Π°Π½Ρ Xn, n, h.
Π Pascal:
Program Summa;
uses crt;
const n=6;
Var x, j, z, d, Xn, h, F, S: Real;
i:Integer;
a:array [1.n] of Real;
BEGIN
clrscr;
randomize;
Write ('enter please Xn, h=');
ReadLN (Xn, h);
for i:=1 to n Do
begin
Write ('enter please a[i]=');
ReadLN (a[i]);
end;
x:=Xn;
S:=0;
for i:=1 to n Do
begin
j:=(ln (abs (3+x*x*x))*(abs (3+x*x*x)/(3+x*x*x)))-(exp ((cos (x)*cos (x))*ln (2)));
z:=exp (1/7*ln (abs (j)))*abs (j)/j;
d:=sin (2*x)*cos (3*x)+sqrt (1+exp ((x)*ln (2)));
F:=z/d;
S:=S+F*a[i];
x:=x+h;
end;
WriteLN ('S=', S:10:3);
END.
Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ Π²ΡΡΠΈΡΠ»Π΅Π½ΠΈΠΉ:
Π Excel:
Π MathCAD:
Π Delphi:
var a: array[0.5]of real;
i:integer;
x, s, Xn, z, F, j, d, h: real;
begin
Xn:=strtoFloat (edit1.text);
h:=strtoFloat (edit2.text);
x:=Xn;
s:=0;
for i:=0 to 5 do
begin
j:=(ln (abs (3+x*x*x))*(abs (3+x*x*x)/(3+x*x*x)))-(exp ((cos (x)*cos (x))*ln (2))); j:=(ln (abs (3+x*x*x))*(abs (3+x*x*x)/(3+x*x*x)))-(exp ((cos (x)*cos (x))*ln (2)));
z:=exp (1/7*ln (abs (j)))*abs (j)/j;
d:=sin (2*x)*cos (3*x)+sqrt (1+exp ((x)*ln (2)));
F:=z/d;
a[i]: =strtofloat (stringGrid1.cells[i, 0]);
s:=s+F*a[i];
x:=x+h;
end;
memo1.Lines.Add (' Π‘ΡΠΌΠΌΠ°= '+FormatFloat ('0.000', s));
end;
procedure TForm1. BitBtn2Click (Sender: TObject);
begin
form1.close;
end;
end.
ΠΡΠ²ΠΎΠ΄: Ρ.ΠΊ. ΠΎΡΠ²Π΅ΡΡ Π² Pascal, Excel, MathCAD ΠΈ Delphi ΡΠΎΡΠ»ΠΈΡΡ — ΡΠ΅ΡΠ΅Π½ΠΈΠ΅ Π²Π΅ΡΠ½ΠΎ.
ΠΠ»ΠΎΠΊ-ΡΡ Π΅ΠΌΠ° Π°Π»Π³ΠΎΡΠΈΡΠΌΠ° ΡΠ΅ΡΠ΅Π½ΠΈΡ Π·Π°Π΄Π°Π½ΠΈΡ № 1.4
ΠΠ°Ρ ΠΎΠΆΠ΄Π΅Π½ΠΈΠ΅ ΡΡΠ½ΠΊΡΠΈΠΈ, Π΅ΡΠ»ΠΈ Π΄Π°Π½ x, h, n, Π·Π°Π΄Π°Π½ ΠΌΠ°ΡΡΠΈΠ²: