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<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>% v+ ^& j- T- e q, ?; X
4 t) _7 P0 ^ D+ p2 g" p<TR>5 m0 [. i& H! _0 y' v4 {
<TD width=*>
& J0 h/ n' L; n. @7 g<><B>帮帮忙,跪下谢谢斑竹,VB</B></P>
( ^0 q- T! X2 ?3 p<>rivate Function PrintWord(x, Y, Word As String)
/ H' n; ?7 T( m* w1 U. b! I) SWith Picture1
3 M/ m/ h x; ?% x* ~) w.CurrentX = x. P$ B8 b9 _. ` V& w* N& J0 G
.CurrentY = Y! T+ A/ L6 x$ m1 Z& l3 ]4 t/ y* Y
.ForeColor = RGB(0, 0, 255)5 {( ]; [* F$ f: n1 P
End With
3 b9 d) B2 ~4 k& v, C% CPicture1.Print Word1 R$ W2 O; G4 S' a2 l4 P: D* Y
End Function
2 a7 E2 k' v) T5 q" U' P% ?6 B6 |'定义画点函数
7 @5 j% H* r- d3 n/ mPrivate Function DrawDot(Px, Py, Color)4 c% d" g- Y D1 N, E
Picture1.PSet (Px, Py), Color: H7 a; G; l; k1 T0 _
End Function- c2 U/ u# ~ A7 b, ~$ L5 R' D
Sub XY() '建立直角坐标系
R& O1 [' R! p" Q6 F6 FPicture1.DrawWidth = 1 '设置线条宽度- C! n( _0 G7 v) G W& }. C
Picture1.Cls. \- r& {- r' |0 `3 w$ E
'设定用户坐标系,坐标原点在Picture1中心
5 G+ ]+ X b; TPicture1.Scale (-10, 10)-(10, -10)9 W' ]6 g; G, G, `, l7 i
Picture1.Line (-10, 0)-(10, 0), RGB(0, 0, 255)3 V% b: B" g; O; L9 l+ W7 \9 Y
Picture1.Line -(9.5, 0.5), RGB(0, 0, 255)/ H2 o Y# j# f. q
Picture1.Line (10, 0)-(9.5, -0.5), RGB(0, 0, 255), G6 K5 ^4 P4 @# ~
Picture1.ForeColor = RGB(0, 0, 255)# V& f% R# L( b6 K' ^/ f
Picture1.Print "X"' B( N% P7 ]# E' a
'画 X 轴& H0 i+ A6 k: p% [+ K1 [
Picture1.Line (0, -10)-(0, 10), RGB(0, 0, 255)7 n! D/ O2 h: S+ ]" y
Picture1.Line -(0.5, 9.5), RGB(0, 0, 255): c0 O# E& v' w- a# y0 \
Picture1.Line (0, 10)-(-0.5, 9.5), RGB(0, 0, 255) J* D. \+ L( R" f
Picture1.Print "Y". W1 z& l0 e5 U& G$ k% N
'画 Y 轴
; O" B( b; E+ X( AFor lin = -9 To 9
) J' [9 D& I, s+ _) E0 L( z7 qPicture1.Line (lin, 0)-(lin, 0.25)
7 d( L! @) [6 V9 f5 Fwor = PrintWord(lin - 0.5, -0.5, Str(lin))& M- i: e2 L0 c. c3 u
Picture1.Line (0, lin)-(-0.25, lin)
[ K0 h* ?* rIf lin <> 0 Then
% Y; d- ~9 o( u* K- |wor = PrintWord(-0.9, lin, Str(lin))' I; q! {& }: l0 t5 l
End If$ B. S8 @$ L+ n6 a2 D
Next lin
, |- X5 H# j/ x) TPicture1.DrawWidth = 1
0 j/ h# @8 U1 ]& NEnd Sub, g G$ A. o5 ~. E. m4 ^- S
Private Sub cmdPlot_Click()
4 s- a! Z0 L! U3 h& C. yXY
9 G C' u( d! a: d) @9 {: c! @On Error Resume Next6 `: W% S" o9 _" c% G
Dim x As Double, Y As Double
% X$ F( Y3 j4 p4 }: H7 ^; L- oRandomize
1 S A l+ ~+ ^, w) E: X ) z, a9 j3 M1 P6 q/ g
SC.Reset
2 C: Z! Q7 j) T" k SC.AddCode "Function RunThis(X)" & vbCrLf & "RunThis=" & txtEquation & vbCrLf & "End Function"
7 t. P2 K6 ?/ e For x = -15 To 15 Step 0.001
6 R. P; J/ x' [$ ]" @ Y = SC.Run("runthis", x)
: k' f# t1 T2 V4 h3 J DoEvents
( N4 j* L8 D. k7 _1 m. h Picture1.PSet (x, Y), RGB(250, 0, 0)
* d3 ~, j' b2 m% q3 I3 D | Next x
7 D' d5 h0 z2 ^. l0 N" _End Sub</P>! h( P) K# o2 ?6 `& {
<>rivate Sub Command2_Click()$ t+ U5 m' j" @- b7 t4 [
XY
' i" f1 E( F: h0 D2 UEnd Sub</P>2 U# y2 |4 j8 j' F& L
<>rivate Sub Command3_Click(). B T& p& x! k( }
End& t- P; \2 P/ X, V: ?
End Sub</P>
9 `6 D( D8 B# Q<>
% ]! K7 n9 ~" ~; kPrivate Sub Form_Load()
. N, f8 V1 X4 F5 C: R# l9 r" {8 vMe.Caption = "美丽曲线——数学爱好者": E! S" x7 A5 F; R) ]# `
Me.Show
+ m: o( }$ V6 n0 r# S4 F. uMe.AutoRedraw = True
" v- E7 q* S, W/ d# n& nXY
$ E* L% L: B& \& j! A/ v/ a- l7 TEnd Sub8 r4 V: C. E4 G# U& K
</P></TD>+ J) F' h6 a- H+ v( i5 M
<TD align=right width=60></TD></TR></TABLE>
7 q( r" q- L0 y% r+ l/ y$ A6 d<>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>
. {4 u' X) V4 y[此贴子已经被作者于2005-3-4 17:40:39编辑过] |
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