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<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>
" E1 J8 V) g3 U6 W3 X
0 D0 A. W. g# @+ z" l: h2 d<TR>
. t% Q# R) ?- }3 f# D# V, \2 H<TD width=*>
3 {5 T1 }) g( m5 T3 c< ><B>帮帮忙,跪下谢谢斑竹,VB</B></P>
M7 ~, x/ h3 s( R< > rivate Function PrintWord(x, Y, Word As String)4 M3 L( R5 P/ o: \5 B
With Picture1( {4 x( U/ ?# I% h9 r- k, x
.CurrentX = x7 m- w2 V7 n3 ]: V; ]
.CurrentY = Y( K: g3 I( J$ h) v( o
.ForeColor = RGB(0, 0, 255)- ~% O R% v% m$ B1 c E
End With5 d6 J& P9 T6 R
Picture1.Print Word" t& l+ X* L" j
End Function! J- R7 R7 ?: `% |& h7 S( b
'定义画点函数' R1 Z4 s! t0 H: C
Private Function DrawDot(Px, Py, Color)/ S* W' d, R$ Y2 G5 m
Picture1.PSet (Px, Py), Color
2 D9 A0 z. F' D" p3 R+ E9 uEnd Function! \! ?: j+ G% v0 C3 P4 M" G, A
Sub XY() '建立直角坐标系
2 D. N. [" p6 K8 tPicture1.DrawWidth = 1 '设置线条宽度% h( r `( k* n5 m, K, x. ~6 x
Picture1.Cls6 n3 [2 \4 `( |: \. H7 V+ e
'设定用户坐标系,坐标原点在Picture1中心5 b* X0 _3 J- J" C" Z1 Q( P
Picture1.Scale (-10, 10)-(10, -10)
& ? E! u/ s4 x. qPicture1.Line (-10, 0)-(10, 0), RGB(0, 0, 255)
9 e c! C3 U$ \, TPicture1.Line -(9.5, 0.5), RGB(0, 0, 255)5 c& e3 b- N1 g1 d, r9 Q
Picture1.Line (10, 0)-(9.5, -0.5), RGB(0, 0, 255)" N2 r/ [+ T0 n) m2 c
Picture1.ForeColor = RGB(0, 0, 255)
5 t4 ?1 W! R5 N1 hPicture1.Print "X"
$ d: y& B1 s+ n4 K n'画 X 轴
" E3 o( v& S2 J. S% J: a5 CPicture1.Line (0, -10)-(0, 10), RGB(0, 0, 255)- N6 m& m* I% x1 o7 ^! ^
Picture1.Line -(0.5, 9.5), RGB(0, 0, 255)* q/ O& G n9 g6 Y1 C% L
Picture1.Line (0, 10)-(-0.5, 9.5), RGB(0, 0, 255): a d' w% n/ t4 b4 l
Picture1.Print "Y"% |" Q* ~ E( ~0 h
'画 Y 轴
6 D# h5 d# N, d2 YFor lin = -9 To 98 u( o- v( [3 E2 A/ e2 N
Picture1.Line (lin, 0)-(lin, 0.25)7 y0 [% I0 J2 r" p2 p! Y
wor = PrintWord(lin - 0.5, -0.5, Str(lin))
4 `5 y, R0 C. APicture1.Line (0, lin)-(-0.25, lin)
: Q( k' L6 X; |) |' kIf lin <> 0 Then' M0 S0 m2 s+ C9 A/ T, e" I3 }
wor = PrintWord(-0.9, lin, Str(lin))$ W9 d+ }9 d, I5 B2 G
End If( \4 \0 C6 z- \3 k+ d
Next lin
' C2 C/ K9 r8 i% ^6 Q: X4 o+ E; rPicture1.DrawWidth = 1
4 ~" l* z E7 Q; {End Sub+ |$ m% V# p1 a h6 y
Private Sub cmdPlot_Click()
2 U7 v& H4 Z3 E# |XY4 o. h. c+ G, ~* |
On Error Resume Next
3 p. u2 }2 l* K1 E1 N. Q |Dim x As Double, Y As Double
3 {- K& Y6 Y! k- ?! E8 X0 BRandomize
) J6 V& n& j) |* u
3 B( n; O7 l6 i6 }) |: M* T SC.Reset: B$ D/ W* D6 \$ a# s1 A
SC.AddCode "Function RunThis(X)" & vbCrLf & "RunThis=" & txtEquation & vbCrLf & "End Function"
9 w4 J) R1 L, I2 n3 n4 d For x = -15 To 15 Step 0.001
! B5 M0 I, I; @4 w' \( {* h5 e7 V! b Y = SC.Run("runthis", x)$ T% Z: \4 x4 Z5 W1 n7 |- {* H, u v
DoEvents
/ g$ F5 W1 E% w6 ^ Picture1.PSet (x, Y), RGB(250, 0, 0)
' [$ C/ W) p# w+ b/ u Next x V4 h. x$ r4 F, b! r
End Sub</P>
2 X) K6 O+ W7 k% m< > rivate Sub Command2_Click()
' J+ ^; L( ~/ F8 C& {* a$ DXY
- J* L# x- D' l: PEnd Sub</P>* F w# l9 o, F8 N9 R+ h' l& a. F
< > rivate Sub Command3_Click()5 V I5 u6 }0 a& O7 P! Y0 W
End4 R; ^1 t6 Q' ]2 ]: L, y4 j& A
End Sub</P>
' g N6 N# h1 r8 c H7 u, R% G< >2 E1 E4 \$ t. o; }, @2 E c% a1 l- \9 R s
Private Sub Form_Load()% t6 u% H4 t8 }& [1 k1 V
Me.Caption = "美丽曲线——数学爱好者"8 m2 d* ~4 X; |9 l! [6 k7 V/ K! ~) J
Me.Show; a, @8 h/ t# N' D) A- y1 T
Me.AutoRedraw = True( C$ B0 u7 ]! f N& u
XY
5 b; n. j- ^+ v. ?0 cEnd Sub% l( e$ j I3 r, d$ t: e1 ]
</P></TD>; l1 h- T) h& S4 x( ^ k% t7 _
<TD align=right width=60></TD></TR></TABLE>
+ ^$ H1 }! {% R) Q- x: P, u< >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 b% W K4 N: s% ^; {[此贴子已经被作者于2005-3-4 17:40:39编辑过] |
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