Архив всех лаб (delphi) / 3.6 / Unit1

unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Buttons;

type
TForm1 = class(TForm)
Label1: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Label2: TLabel;
Edit3: TEdit;
Label3: TLabel;
Edit4: TEdit;
Button1: TButton;
BitBtn1: TBitBtn;
Memo1: TMemo;
Label4: TLabel;
Label5: TLabel;
Label6: TLabel;
Label7: TLabel;
Edit5: TEdit;
Label8: TLabel;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
Edit1.text:='0,1';
Edit2.text:='1';
Edit5.text:='10';
Edit4.text:='0,0001';
Edit3.Text:='';
Memo1.Clear;
end;

procedure TForm1.Button1Click(Sender: TObject);
Var
m,a,b,h,x,w,s,eps:extended;
k:integer;
begin
Memo1.Clear;
a:=strtofloat(Edit1.text);
b:=strtofloat(Edit2.text);
m:=strtofloat(Edit5.text);
eps:=strtofloat(Edit4.text);
x:=a; H:=(b-a)/m;
edit3.Text:=floattostrf(h,fffixed,8,2);
repeat
s:=x ; w:=x; k:=0;
repeat
inc(k) ;
w:=w*Sqr(x)/((2*k)*(2*k+1));
s:=s+w;
until abs(w)<eps;
Memo1.Lines.Add(FloatToStrF(x,fffixed,5,2)+
' '+FloatToStrF(s,fffixed,9,6)+
' '+FloatToStrF((exp(x)-exp(-x))/2,fffixed,9,6)+
' '+intToStr(k));
x:=x+h;
until x>b+1E-9;
end;

end.