Задание: Построить графики функций ; ;
Текст программы:
unit Graph;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, TeEngine, Series, ExtCtrls, TeeProcs, Chart;
type
TForm1 = class(TForm)
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Edit4: TEdit;
Edit5: TEdit;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
Chart1: TChart;
Series1: TLineSeries;
Series2: TLineSeries;
Series3: TLineSeries;
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject);
VAR T0,TK,Q,W,Y1,Y2,Y3 :REAL;
i,H :real;
begin
Q:=StrToFloat(Edit1.Text);
W:=strToFloat(Edit2.Text);
H:=StrToFloat(Edit3.Text);
T0:=StrToFloat(Edit4.Text);
TK:=StrToFloat(Edit5.Text);
i:=T0;
Series1.Clear;
Series2.Clear;
Series3.Clear;
while i
begin
Y1:=exp(-Q*i)*sin(W*i);
Y2:=-exp(-Q*i);
Y3:=exp(-Q*i);
Series1.AddXY(i,Y1,'',clTeeColor);
Series2.AddXY(i,Y2,'',clTeeColor);
Series3.AddXY(i,Y3,'',clTeeColor);
i:=i+h;
end;
end;
end.
Внешний вид приложения: