Архив всех лаб (delphi) / 3.15 / Unit1

unit Unit1;

interface

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

type
TForm1 = class(TForm)
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Button1: TButton;
Memo1: TMemo;
Edit4: TEdit;
Label5: TLabel;
Label6: TLabel;
Label7: TLabel;
BitBtn1: TBitBtn;
Label8: TLabel;
Edit5: TEdit;
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:='0,8';
Edit3.Text:='10';
Edit4.Text:='0,001';
Edit5.Text:='';
Memo1.Clear;
end;

procedure TForm1.Button1Click(Sender: TObject);
var y,M,a,b,h,s,w,x,eps:extended;
k:integer;
begin
a:=StrToFloat(Edit1.Text);
b:=StrToFloat(Edit2.Text);
M:=StrToFloat(Edit3.Text);
eps:=StrToFloat(Edit4.Text);
x:=a; h:=(b-a)/m;
Edit5.Text:=floattostrf(h,fffixed,8,2);
repeat
w:=-1; s:=0; k:=0;
repeat
inc(k);
w:=-w*sqr(x);
s:=s+w/(2*k*(2*k-1));
until abs(w)<eps;
y:=x*arctan(x)-ln(sqrt(1+sqr(x)));
Memo1.Lines.Add(FloatToStrF(x,fffixed,5,2)+
' '+FloatToStrF(s,fffixed,9,6)+
' '+FloatToStrF(y,fffixed,9,6)+
' '+IntToStr(k));
x:=x+h;
until x>b+1e-9;

end;
end.