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<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>6 T x8 `4 w5 U. ^ ]0 d% O& j8 ? `
7 e' v+ B( T* u- R0 f! J<TR>/ s2 ^ ^8 P" N$ o( F* O
<TD width=*>4 p2 z( N$ U. M; ~* x. D7 S. W
< ><B>帮帮忙,跪下谢谢斑竹,VB</B></P>
$ `( ]/ L" \4 p8 O2 V5 f) V< > rivate Function PrintWord(x, Y, Word As String)
% Y3 P' X4 x5 P% M( s- D, NWith Picture11 F, Z8 ~) U6 u. g7 q7 S
.CurrentX = x
9 c! [5 t1 t# q8 K) x.CurrentY = Y* ~9 }/ c5 p- C' @2 r. J- {$ m
.ForeColor = RGB(0, 0, 255)& l; ^ b6 H+ `
End With1 y2 n3 ? [( ]7 t
Picture1.Print Word. i5 G: Y- H8 C% v4 ?8 u% P- L4 D
End Function
, c+ Q$ c, u; O) h( r'定义画点函数! m2 j5 R0 R2 x3 S; M
Private Function DrawDot(Px, Py, Color)7 L+ C4 o: T/ _
Picture1.PSet (Px, Py), Color4 b) ^9 u4 f7 k% u
End Function6 l! W8 l! c/ ]/ k
Sub XY() '建立直角坐标系# H5 g; ?: p! ?
Picture1.DrawWidth = 1 '设置线条宽度2 S# X5 @7 c4 R ^
Picture1.Cls
, \$ q) n* @) i'设定用户坐标系,坐标原点在Picture1中心; R1 X3 Y; P9 V1 p2 x& l. k3 i
Picture1.Scale (-10, 10)-(10, -10)
: y( ]+ n! u- ~3 X/ g8 r8 Y- ^' MPicture1.Line (-10, 0)-(10, 0), RGB(0, 0, 255)
4 W" J7 V" O; T/ B/ WPicture1.Line -(9.5, 0.5), RGB(0, 0, 255)
* Q( l( p) D( F: M: zPicture1.Line (10, 0)-(9.5, -0.5), RGB(0, 0, 255)" _ A0 Y: q' D! G) J( j3 o
Picture1.ForeColor = RGB(0, 0, 255)
+ `2 O; Y _' |. uPicture1.Print "X"
0 Q1 n$ X9 E) x x/ {4 B'画 X 轴
, k5 Q6 Y" Y( f j% t* f( W' ^; P, pPicture1.Line (0, -10)-(0, 10), RGB(0, 0, 255)* X# J- X$ s" W
Picture1.Line -(0.5, 9.5), RGB(0, 0, 255)
( g: V* Q7 Y! |. ~" D: C2 QPicture1.Line (0, 10)-(-0.5, 9.5), RGB(0, 0, 255)$ p/ o4 Y/ S/ B1 P# f ]* R( _2 Q$ C
Picture1.Print "Y"1 M2 Z: f* \9 s9 s9 Q* K
'画 Y 轴* N; \' J2 k7 s$ o @; r7 Z+ O
For lin = -9 To 9
9 o- c% l$ M# G0 |1 a9 G" @( ZPicture1.Line (lin, 0)-(lin, 0.25). K, R# G$ b/ s) [/ w1 d+ K0 I
wor = PrintWord(lin - 0.5, -0.5, Str(lin))# j8 w7 [+ U1 n- J3 E
Picture1.Line (0, lin)-(-0.25, lin)
! b5 h& p& g) ~5 RIf lin <> 0 Then& M3 A w0 S( F1 A. I! G3 w
wor = PrintWord(-0.9, lin, Str(lin))8 O! L" U4 `" c, c2 ^8 D
End If3 P$ q0 h) H4 ~) ^* X& q9 s
Next lin
3 e8 g8 @+ A/ }) K" {3 F7 wPicture1.DrawWidth = 11 ?; ?8 B7 N4 V0 D
End Sub/ t: u1 }0 x: D0 [/ G5 o6 g
Private Sub cmdPlot_Click()3 [; K# B6 y- a) E! f4 y, x2 N6 j2 j
XY V, u9 ~! D( q1 Y
On Error Resume Next# F: s, x( E7 D# }8 H1 O
Dim x As Double, Y As Double8 C' _; [# C+ ?0 n2 i
Randomize4 _. j1 I% I/ p2 {
/ e1 _+ a5 R" J s+ J. `# G5 T- q6 A7 h SC.Reset
7 T6 B# [' z% e+ b7 A0 A SC.AddCode "Function RunThis(X)" & vbCrLf & "RunThis=" & txtEquation & vbCrLf & "End Function"
. P# `$ N( ? k+ W6 B% d9 G For x = -15 To 15 Step 0.0011 w2 C" e$ |/ z: u* y$ ?6 d/ D
Y = SC.Run("runthis", x)5 @: J" i; J4 a) ?- q2 H
DoEvents
1 `+ [4 {3 l0 A Picture1.PSet (x, Y), RGB(250, 0, 0)3 s I; V \5 ^5 S. o5 Q% _( ?0 X
Next x
|' t, u; m3 r+ X, S! YEnd Sub</P>* V, S/ p% _9 ]/ Z) J
< > rivate Sub Command2_Click()+ X6 N* N2 D/ E
XY6 B, B/ i! q- s5 @' f8 B
End Sub</P>
, s m$ S4 U: g2 c< > rivate Sub Command3_Click()4 \! h6 \% S" O; A
End
+ s# @2 b1 ~( h3 oEnd Sub</P>
+ o D, e0 d: q9 n$ H1 S< >' a( h' K1 n6 G
Private Sub Form_Load()
8 U G" B- U1 N5 N$ p/ M8 B4 nMe.Caption = "美丽曲线——数学爱好者"
1 s/ J4 F) D$ z( `( n2 `Me.Show/ ~* G+ }" n5 E5 c& E
Me.AutoRedraw = True
, g( F1 p$ x1 T! ^0 \XY
" n& d" i8 m4 ?" ]( m/ nEnd Sub
8 B6 Q8 \/ W" k</P></TD>1 F, a) T. N( n N: Y1 C7 K8 f
<TD align=right width=60></TD></TR></TABLE>
4 \& ^8 a0 [: h6 s< >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>
! G3 f+ E5 A# e7 A: A& L( c[此贴子已经被作者于2005-3-4 17:40:39编辑过] |
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