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<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>1 M t* K" j# c. ~* ~ M
6 a/ a0 |8 Z0 O) |: B- N
<TR>
* ^/ w4 V( ~2 w- D& g+ Q" J$ X0 U<TD width=*>2 N& a$ k6 O5 N5 y1 W7 V
< ><B>帮帮忙,跪下谢谢斑竹,VB</B></P>, u/ v4 a9 D) q! N
< > rivate Function PrintWord(x, Y, Word As String)* p) N7 B7 ~+ Y; _: d
With Picture1: [$ L! B z4 e1 ^& E: |
.CurrentX = x* E6 u/ v8 |1 P4 M$ W- @( y8 j( z) x( {- Z9 `
.CurrentY = Y
0 O# }7 n4 R8 Q.ForeColor = RGB(0, 0, 255)/ R" T1 T4 }7 K$ G
End With
$ S; K& H; _7 ]% G' [Picture1.Print Word
! e0 S" k3 p9 _; K' A8 @End Function
5 `, b" _* ?- l'定义画点函数$ H! F" J8 _8 x
Private Function DrawDot(Px, Py, Color). s. Y% O) {2 |, E2 O
Picture1.PSet (Px, Py), Color
2 C. K1 c/ V9 r+ pEnd Function
5 B6 I7 w) d& ESub XY() '建立直角坐标系* ?$ k3 v: M+ u# P) c5 ]( {/ `' J
Picture1.DrawWidth = 1 '设置线条宽度# |; S- A+ s1 }5 ~
Picture1.Cls: y8 c/ J/ a2 P, M% r i
'设定用户坐标系,坐标原点在Picture1中心$ X8 H A% f5 ?/ b
Picture1.Scale (-10, 10)-(10, -10)
5 v D1 t2 ~4 h. u) e; }& j/ h+ mPicture1.Line (-10, 0)-(10, 0), RGB(0, 0, 255)3 ~* |# T8 i; m/ l' ? ~! S
Picture1.Line -(9.5, 0.5), RGB(0, 0, 255)* V4 L& w% W6 G8 l3 B
Picture1.Line (10, 0)-(9.5, -0.5), RGB(0, 0, 255), r9 H, `" i" j) c6 c# o
Picture1.ForeColor = RGB(0, 0, 255)
: L! N( Y. b( u3 ?9 j! Q: tPicture1.Print "X"2 D* x( u6 m Q( Y
'画 X 轴+ K1 a& |7 \, E5 z h- c
Picture1.Line (0, -10)-(0, 10), RGB(0, 0, 255)* |3 [' r" F$ T! R
Picture1.Line -(0.5, 9.5), RGB(0, 0, 255)3 }; j- w2 F2 T0 M# c+ E( V
Picture1.Line (0, 10)-(-0.5, 9.5), RGB(0, 0, 255)
M, y2 x9 _3 W, N0 p; ?Picture1.Print "Y"
( Y6 |/ l; v. d+ S- W) W$ E'画 Y 轴& M( N& g( j, h% m$ b/ `
For lin = -9 To 9
, q' [7 `3 R4 z( r- h: o1 oPicture1.Line (lin, 0)-(lin, 0.25)' ^6 x+ f8 x9 r9 ]1 T
wor = PrintWord(lin - 0.5, -0.5, Str(lin))
8 s- X) p! z+ {5 Z* s+ wPicture1.Line (0, lin)-(-0.25, lin)
/ { ] `) u: e5 F1 s% |% `' }$ C0 RIf lin <> 0 Then
7 J1 v4 I, I6 C+ l3 b$ ewor = PrintWord(-0.9, lin, Str(lin)); [0 W/ a0 w. G" \3 I/ \+ r$ v
End If; ]0 ]) R) Q) Y
Next lin
9 D+ l$ M. Y& YPicture1.DrawWidth = 1+ S6 \! O* h8 v- B# n
End Sub0 L' Q, N' n" X/ l9 n- D
Private Sub cmdPlot_Click()
' G, b5 u& G) IXY
* Z6 j; u5 |1 i- x4 FOn Error Resume Next4 F' Q* R& I9 O. c, ^/ M
Dim x As Double, Y As Double' H, T) j9 m8 N9 j2 E- w0 K r# ~
Randomize& l/ M1 R; k4 f
- S: V8 N8 w: B- `1 R* A SC.Reset
9 a* a' ~ s3 }+ s8 t: Q SC.AddCode "Function RunThis(X)" & vbCrLf & "RunThis=" & txtEquation & vbCrLf & "End Function"
! P( K9 [. M$ z1 B For x = -15 To 15 Step 0.001
+ m/ ?1 O9 Q5 T+ ~" T Y = SC.Run("runthis", x)
: B3 ^* N" F9 M; g: W% f+ N+ ~, N DoEvents O1 o2 Y% b% q4 n6 f! ^3 i5 I
Picture1.PSet (x, Y), RGB(250, 0, 0)5 h! W+ L" _; S A: Z; J6 _" F
Next x* _' ^- {: O" i
End Sub</P>
/ k+ K+ s; o( ?2 e' p< > rivate Sub Command2_Click()
X1 V: n- c3 n; |5 L% IXY
" G+ A& ` N- R$ T2 HEnd Sub</P>" o, J; @7 k% K$ W) R
< > rivate Sub Command3_Click(), C0 `: Q) D( d3 y! h; }: A
End
# ~2 A; u7 B2 \) `End Sub</P>; x4 N, Y& D# d/ _9 o4 t( T
< >
( E+ l0 F" A. d9 @Private Sub Form_Load()
( v4 j5 I7 l g, _8 p1 I4 k, hMe.Caption = "美丽曲线——数学爱好者"
& W8 a& J& ~- B! b1 y; L- ^# jMe.Show" J- W8 Z+ r* I, \4 K8 v- O
Me.AutoRedraw = True
5 K h- X5 Z) U/ x; Z) B4 JXY
4 ^2 C; J! @( Q9 t: H9 U* h) jEnd Sub, a$ O1 ~, q+ q8 G
</P></TD>+ l1 O3 G( c. ^4 t7 J- E
<TD align=right width=60></TD></TR></TABLE>/ s, M! Y) g9 i. B% N
< >为仕么Y=LOG(X),SQR(X)也有图象(X轴负半轴),sc为ms.script.control控件请帮忙,<B>跪下谢谢斑竹</B></P>
6 \+ r# _1 P4 P% ]# n[此贴子已经被作者于2005-3-4 17:40:39编辑过] |
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