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<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>( M: o1 P; B0 s0 M- S) r
$ a& B! [3 a$ F0 y6 q" _
<TR>
2 {0 r" g: U5 E4 @* E<TD width=*>
# N: y$ ^+ }6 n( L$ ?; a< ><B>帮帮忙,跪下谢谢斑竹,VB</B></P>2 B# _3 l& o8 S. p+ J1 m _: N% u
< > rivate Function PrintWord(x, Y, Word As String)4 r1 D8 E6 @1 R- n" S
With Picture1
9 F9 I# m4 X- |.CurrentX = x
& c7 p. ~$ f. h: Z# @" ~.CurrentY = Y
2 A# N( `) r* I2 b.ForeColor = RGB(0, 0, 255)
8 F4 o6 y1 o( b- s$ z7 i7 H% OEnd With2 h( ^ L, h. W# B' _& A% m
Picture1.Print Word
8 u7 ?! s7 T9 R- P. b- {: GEnd Function
8 ]% r1 @" u7 l- z! o$ t5 g8 V'定义画点函数+ ^2 O7 p$ h5 ]
Private Function DrawDot(Px, Py, Color)
2 Z5 Z* O# }; v5 nPicture1.PSet (Px, Py), Color
2 J7 C: Y3 y' F+ i9 NEnd Function$ _4 b) L3 H6 T" o7 C' N3 {
Sub XY() '建立直角坐标系$ g& C O# p, d) {) m) z1 w
Picture1.DrawWidth = 1 '设置线条宽度( a, J/ Z/ n3 S
Picture1.Cls
8 u: y. r, {6 B/ \& |0 u'设定用户坐标系,坐标原点在Picture1中心
; C0 M( t% G3 R( d/ UPicture1.Scale (-10, 10)-(10, -10)
; C e% Z1 N* t: dPicture1.Line (-10, 0)-(10, 0), RGB(0, 0, 255)
7 k1 E3 a. }2 M5 k3 G1 o( XPicture1.Line -(9.5, 0.5), RGB(0, 0, 255)
' G7 }5 k! b4 u3 p" k3 n8 b, ePicture1.Line (10, 0)-(9.5, -0.5), RGB(0, 0, 255). M$ x. n' H/ _+ K9 U7 E/ A+ |
Picture1.ForeColor = RGB(0, 0, 255)
4 h; ~5 ]' \' `( V0 Q9 r9 kPicture1.Print "X"
5 s* o% E0 r- ]! Y'画 X 轴
" y, A+ l/ @* ~# q- u5 ]Picture1.Line (0, -10)-(0, 10), RGB(0, 0, 255)1 S8 q2 t: r, k$ a5 z
Picture1.Line -(0.5, 9.5), RGB(0, 0, 255)* \" Q2 d- Z7 r7 ^
Picture1.Line (0, 10)-(-0.5, 9.5), RGB(0, 0, 255)' `# O4 z. A' j8 O. m+ T# L* k1 h
Picture1.Print "Y"% k$ x c& b& k* y
'画 Y 轴) `; |2 F C7 K" v3 q7 C2 h
For lin = -9 To 9
4 m% T! y/ y: d$ O+ j: h4 ?& p. FPicture1.Line (lin, 0)-(lin, 0.25)
6 f3 x8 @5 {/ m' f B( d( `2 }" Twor = PrintWord(lin - 0.5, -0.5, Str(lin))0 _/ J, w1 J) P) ^- ]
Picture1.Line (0, lin)-(-0.25, lin)8 T. @3 R+ z( n
If lin <> 0 Then- K, o! O4 P* O7 V% v
wor = PrintWord(-0.9, lin, Str(lin))
) v4 S+ G0 n, i0 q# v5 }% oEnd If
4 U2 t' j& Q# H( o; g7 DNext lin& X& P, T% b9 X! J# A, M) i( G
Picture1.DrawWidth = 1
2 v2 Z! C' f2 m1 N* eEnd Sub- ~& N w( Y2 b: I: }! G
Private Sub cmdPlot_Click()
! i+ e7 f* f& j: VXY
! ^% n) s+ |1 n6 B q3 ]/ o, e/ k; FOn Error Resume Next
$ s; Y5 A! w# m& @) r; xDim x As Double, Y As Double% i' T; z% H- ~5 P) S
Randomize" P+ X/ `9 N! r+ I1 q8 |5 k9 N
/ [8 N. M9 g8 K' l& t) l SC.Reset; o4 R8 s+ v( s5 a7 a5 W5 g! ~. l
SC.AddCode "Function RunThis(X)" & vbCrLf & "RunThis=" & txtEquation & vbCrLf & "End Function"
5 t' L2 x3 Y! H5 ~* ] For x = -15 To 15 Step 0.0017 |1 Z! l P" |9 \ ?
Y = SC.Run("runthis", x)3 u8 o: l$ g: X0 m& e8 S
DoEvents
: O% ~2 m7 p9 |0 d$ H Picture1.PSet (x, Y), RGB(250, 0, 0)" W, i/ T5 z* k# @/ S- E' [
Next x
. S+ z9 q+ N( FEnd Sub</P>
, a7 P5 G- S- h2 j% {< > rivate Sub Command2_Click()
- x1 x! P* c! `: ?$ D" @6 H: vXY4 _" a6 ^! j! A$ o j9 J5 Y
End Sub</P>
4 S7 |! E8 e3 s, y7 ]< > rivate Sub Command3_Click(); g4 V9 f/ Z9 u. r0 _+ }7 O) c
End
. _( c1 e6 v3 v- D! mEnd Sub</P>5 o0 n% z( z1 `, @, \
< > v- s8 u6 O( n5 J. u
Private Sub Form_Load()/ y5 e* e( y3 v
Me.Caption = "美丽曲线——数学爱好者" A# y: m7 K3 h% ?6 h; \
Me.Show
: x' o& t; c: ~" ^; g& @9 UMe.AutoRedraw = True; h- v7 A' M" F6 ]% o
XY
+ z; {; N; c6 J% `$ SEnd Sub ?( d) \4 j: J6 Z2 w- p4 z
</P></TD>
$ z- F6 s& W. {( \( w<TD align=right width=60></TD></TR></TABLE>
! h- t* ?4 j3 g5 ]5 C6 s" O: M< >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>( X- Q% n6 E% i+ y& X5 x" ~2 _
[此贴子已经被作者于2005-3-4 17:40:39编辑过] |
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