?? unit1.pas
字號:
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Memo1: TMemo;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
//PROGRAM D7R7
//Driver for routine FLEG
uses
unit2;
{$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject);
const
s1='%10.4f'; s2='%5.2f';
NVAL = 5; NPOLY = 5; DX = 0.2;
var
AFUNC:array[0..5] of real;
I,J:integer; X:real;
F:TextFile;
begin
//輸出計算結果到文件
AssignFile(F, 'd:\delphi_shu\p7\d7r7.dat');
Rewrite(F);
Writeln(F, ' Legendre Polynomials ');
Writeln(F);
Writeln(F, ' N=1 N=2 N=3 N=4 N=5');
For I:=1 To NVAL do
begin
X:=I * DX;
FLEG(X,AFUNC,NPOLY);
Writeln(F,' X= ',Format(S2,[X]));
Writeln(F,Format(s1,[AFUNC[1]]),Format(s1,[AFUNC[2]]),
Format(s1,[AFUNC[3]]),Format(s1,[AFUNC[4]]),
Format(s1,[AFUNC[5]]),' routine FLEG');
Writeln(F,Format(s1,[PLGNDR(0,0,X)]),Format(s1,[PLGNDR(1,0,X)]),
Format(s1,[PLGNDR(2,0,X)]),Format(s1,[PLGNDR(3,0,X)]),
Format(s1,[PLGNDR(4,0,X)]),' routine PLGNDR');
Writeln(F);
end;
Writeln(F);
CloseFile(F);
//屏幕顯示計算結果
memo1.Lines.LoadFromFile('d:\delphi_shu\p7\d7r7.dat');
end;
end.
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