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<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>0 r2 |) a7 { |( v" e% |: x
7 j3 c+ N& j" k/ p<TR> p+ P2 ~- s8 b0 W
<TD width=*>
1 M+ R$ i4 _( p< ><B>帮帮忙,跪下谢谢斑竹,VB</B></P>
6 ?7 o f: @+ a< > rivate Function PrintWord(x, Y, Word As String)
5 k+ X/ g1 S; zWith Picture1" j% o; w6 j5 ^, Q n1 i% z
.CurrentX = x" q/ s5 c# }! N6 F M8 N' z7 h
.CurrentY = Y
$ R; b: S( b, @2 {- K4 w; i.ForeColor = RGB(0, 0, 255)5 @ g0 Y. b& m$ `5 t
End With
1 B/ ~: T* [1 G* p* u/ _( _Picture1.Print Word9 X* j2 z8 B3 P4 h" r" U/ \0 {
End Function0 s7 B. l; y7 a1 f `9 F# r
'定义画点函数) d0 U- n! @( E6 n5 u- g
Private Function DrawDot(Px, Py, Color)
7 E0 M4 b9 l' p/ MPicture1.PSet (Px, Py), Color3 F4 f; I7 W( o3 r2 W1 d: R4 l. @
End Function4 _2 I( f( u( x( H
Sub XY() '建立直角坐标系/ }0 d% H) o+ q7 V) Q( U( a
Picture1.DrawWidth = 1 '设置线条宽度
* ~/ L# U& Q3 w! y5 VPicture1.Cls
p% P6 G l8 `4 H3 V! o'设定用户坐标系,坐标原点在Picture1中心" K9 f0 [# L; w8 D) k4 ~- D4 j
Picture1.Scale (-10, 10)-(10, -10)
, m- E/ M9 _, ?Picture1.Line (-10, 0)-(10, 0), RGB(0, 0, 255)6 F: j- X" W( C0 i4 }7 n3 l6 V
Picture1.Line -(9.5, 0.5), RGB(0, 0, 255)1 L9 q9 K' X' Y0 I; T" y; ]0 @- G
Picture1.Line (10, 0)-(9.5, -0.5), RGB(0, 0, 255)* v8 n' |9 y# _" ^( T1 A
Picture1.ForeColor = RGB(0, 0, 255)+ O Y2 o: k& P: ^3 |. v
Picture1.Print "X"* n* l* C) i+ V' I0 v* w1 N
'画 X 轴
, s( ?' K }5 B* F3 uPicture1.Line (0, -10)-(0, 10), RGB(0, 0, 255)
% N) t4 \. R4 b& u$ u8 U+ y+ _Picture1.Line -(0.5, 9.5), RGB(0, 0, 255)
% r0 _+ ~; L4 ? @6 G [7 [' jPicture1.Line (0, 10)-(-0.5, 9.5), RGB(0, 0, 255)1 r7 Y. H( p" J7 r2 R2 e
Picture1.Print "Y" D0 T3 f7 B! E4 A9 u
'画 Y 轴6 s1 B% T' q. T
For lin = -9 To 9
: ]% S: p% ?) H$ w) P; BPicture1.Line (lin, 0)-(lin, 0.25)( d7 ? E1 ~( Z; o" p$ N4 R
wor = PrintWord(lin - 0.5, -0.5, Str(lin))! @7 `4 G! E; H) f6 E- g
Picture1.Line (0, lin)-(-0.25, lin); t* ~+ v) Y5 M6 `. L
If lin <> 0 Then! b5 F- {' G# ~5 h) o& }
wor = PrintWord(-0.9, lin, Str(lin))' P* w& b T7 p$ F8 l/ a! Q5 z
End If6 V3 w, ^3 a) ^/ S( k' j. ^
Next lin1 t7 v# z( R/ _0 a! i6 f( A
Picture1.DrawWidth = 1
. J8 e* w8 n1 O- P3 g2 EEnd Sub
4 Z; |' `" p; iPrivate Sub cmdPlot_Click()
- _9 F; c, J. Y8 o4 jXY
0 Z. r1 @) j1 ~$ h" R8 j& ^9 R% kOn Error Resume Next
: l4 L2 H3 l0 pDim x As Double, Y As Double
( K. c3 ^8 u) T7 [Randomize* K: N6 V% N% }2 r6 S' W
7 q. R) ?2 ~4 g+ M, J4 `. a! v( g& B SC.Reset
; [# j6 ]! t9 @* G4 t2 }; W, y4 m8 }3 t SC.AddCode "Function RunThis(X)" & vbCrLf & "RunThis=" & txtEquation & vbCrLf & "End Function"
3 u( |" j9 g: ?* n6 m, K For x = -15 To 15 Step 0.001
5 x: [3 |9 F6 Z* h4 L Y = SC.Run("runthis", x)# o) h/ e# P! Y8 Z3 Y: U# T
DoEvents
4 J- r+ o& o0 B4 S Picture1.PSet (x, Y), RGB(250, 0, 0)
0 q' k- F% }" T5 W3 x( w Next x
% O) V+ L2 v; _! v& U' @End Sub</P>
. H- C8 k' ^9 d9 W7 ]. w< > rivate Sub Command2_Click()
; H7 z5 z' D6 z5 mXY4 k" {: T3 A0 d& a
End Sub</P>/ [- U' N/ j& A
< > rivate Sub Command3_Click()/ F1 Y1 f% w) N! n# C
End
" E7 H( K: ^! B2 {5 jEnd Sub</P>+ C/ F z( D5 G* {0 _
< >
, S) q$ d8 T4 i' y+ lPrivate Sub Form_Load()/ @# q2 X G, C, S- \( |
Me.Caption = "美丽曲线——数学爱好者"& z1 |$ U* @2 x: V7 E
Me.Show8 R( K2 v0 Z. Z0 @! y7 b0 X
Me.AutoRedraw = True' ]$ Q3 k- J$ P* \) U
XY
! A0 R! b+ @5 q* d, L$ }End Sub
) @; s: U+ Y2 ] V2 c' W; I1 J& r</P></TD>$ T4 v6 F& n1 }
<TD align=right width=60></TD></TR></TABLE>6 i4 u2 |( G1 F; h9 S& U6 @
< >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>' z* M1 s2 Y# c9 S* Y( y. k8 R+ d
[此贴子已经被作者于2005-3-4 17:40:39编辑过] |
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