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U 的代码
u.~dfm
object F_filmstage: TF_filmstage
Left = 231
Top = 145
Width = 382
Height = 309
Caption = #29031#29255#31561#32423
Color = clBtnFace
Font.Charset = DEFAULT_CHARSET
Font.Color =
u.pas
unit U;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Grids, DBGrids, DB, ADODB, Buttons;
type
TF_filmstage = class(TFo
u.~pas
unit U;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Grids, DBGrids, DB, ADODB, Buttons;
type
TF_filmstage = class(TFo
u.dfm
object F_filmstage: TF_filmstage
Left = 231
Top = 145
Width = 382
Height = 309
Caption = #29031#29255#31561#32423
Color = clBtnFace
Font.Charset = DEFAULT_CHARSET
Font.Color =
u.m
clc
clear all
close all
syms t n k k1 k2 ;
A=1;
B=-1;
C=-2;
cons=6;
m1=n;
Am1=2;%Am1*x[n]
m2=n-1;
Am2=-1;%Am2*x[n-1]
m3=n+1;
Am3=0;%Am3*x[n+1]
i1=-1;
i2=4;
xt1=cons;
y1='A+B/t+C/t
u.asv
clc
clear all
close all
syms t n k k1 k2 ;
A=1;
B=-1;
C=-2;
cons=6
m1=n;
Am1=2;%Am1*x[n]
m2=n-1;
Am2=-1;%Am2*x[n-1]
m3=n+1;
Am3=0;%Am3*x[n+1]
i1=-1;
i2=4;
xt1=cons;
y1='A+B/t+C/t^
u.m
clc
clear
syms t;
taxis=6;
yaxis=10;
A=0;
B=3;
C=3;
i1=0;
i2=0;
cons=3;
xt1=cons;
f0='A*D2y+B*Dy+C*y=0';
f0=subs(sym(f0));
f0=char(f0);
ini1='y(0)=i1';
ini1=subs(sym(ini1));
ini1=