- 在线时间
- 0 小时
- 最后登录
- 2005-10-29
- 注册时间
- 2005-1-17
- 听众数
- 2
- 收听数
- 0
- 能力
- 0 分
- 体力
- 220 点
- 威望
- 0 点
- 阅读权限
- 20
- 积分
- 71
- 相册
- 0
- 日志
- 0
- 记录
- 0
- 帖子
- 10
- 主题
- 4
- 精华
- 0
- 分享
- 0
- 好友
- 0
升级   69.47% 该用户从未签到
 |
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>
+ l( ?9 e9 S K) t
$ `" N9 ]1 w: l3 v* E# w/ V0 ^7 s<TR>% K y9 ^ }# T: _# D7 c$ R) ]# ^9 @* D
<TD width=*>
u. A! T( B. {, c: o< ><B>帮帮忙,跪下谢谢斑竹,VB</B></P> ~) F9 e" `$ X- z1 Q- H
< > rivate Function PrintWord(x, Y, Word As String)9 N; r7 {# D0 ~& s
With Picture1# K0 C( k9 N: o. G3 i9 h
.CurrentX = x
. A, `, | s( C9 }5 T.CurrentY = Y
+ I) p8 q: b; N" J9 a.ForeColor = RGB(0, 0, 255)4 V1 W! _1 o! J8 Q. u" w; U/ u
End With
. C1 O" `- `2 q4 X/ h6 e8 R( lPicture1.Print Word, a7 H8 {: u+ C
End Function, C' B# m' `9 I# ~, G$ A
'定义画点函数
/ N- q1 I2 m; ~$ t+ l5 |) h. CPrivate Function DrawDot(Px, Py, Color)
2 u3 B9 Y y) Q* uPicture1.PSet (Px, Py), Color$ j% a- k6 @% M( F3 h7 x$ z
End Function
; h/ b% c* P% j* CSub XY() '建立直角坐标系+ U. z7 }0 [- i6 ^2 ?- G
Picture1.DrawWidth = 1 '设置线条宽度, u" r: [9 d1 X( C# v
Picture1.Cls# G4 Q3 L4 {4 S) s+ Z0 v
'设定用户坐标系,坐标原点在Picture1中心
9 o% g. D& G) `# Z# L, Y& o5 c! kPicture1.Scale (-10, 10)-(10, -10)0 B% Y4 c/ j/ t6 {! ]
Picture1.Line (-10, 0)-(10, 0), RGB(0, 0, 255)
" ^9 `* M, W" t* @Picture1.Line -(9.5, 0.5), RGB(0, 0, 255)0 C. |- t3 E+ M# f+ z$ M
Picture1.Line (10, 0)-(9.5, -0.5), RGB(0, 0, 255)* }, v# [0 Y6 @0 C+ A- }
Picture1.ForeColor = RGB(0, 0, 255)- `9 a2 f0 r) _
Picture1.Print "X"
! O9 I1 P$ z" @3 N'画 X 轴
2 E- @% j! u6 D8 wPicture1.Line (0, -10)-(0, 10), RGB(0, 0, 255)
$ Y6 d0 ~1 @( aPicture1.Line -(0.5, 9.5), RGB(0, 0, 255)
- O9 E2 A5 E1 ?4 V5 |7 vPicture1.Line (0, 10)-(-0.5, 9.5), RGB(0, 0, 255)
5 S5 |8 K! o+ g) j5 I/ jPicture1.Print "Y"- B9 U# B5 ~& T, I
'画 Y 轴
7 V* H( P6 i+ {4 l$ U+ y9 P5 FFor lin = -9 To 9
- L; [/ h" s. m" ]Picture1.Line (lin, 0)-(lin, 0.25)
$ D8 _/ ^& F: X! k% swor = PrintWord(lin - 0.5, -0.5, Str(lin))
& O3 Z+ u4 d5 U, s& S1 I, ~Picture1.Line (0, lin)-(-0.25, lin)
# f# J' R6 ~& ^If lin <> 0 Then
7 g$ `( G* f1 Y" f5 ?wor = PrintWord(-0.9, lin, Str(lin))2 E7 W7 ]7 y- I0 T
End If
9 [9 U5 D* {, X( N2 m4 L% nNext lin @5 ?3 j _3 b! }7 @5 |, K! Z
Picture1.DrawWidth = 1
9 e0 j5 d$ r2 J# s- G2 Y2 }' ^End Sub
* V+ F* t1 E3 R& D+ ]: u. U7 aPrivate Sub cmdPlot_Click(); }, h/ G% K& O9 p0 E" I
XY1 N& x' L1 I$ o- ~, w6 p
On Error Resume Next
, U1 l+ M* }! w8 {" T# HDim x As Double, Y As Double
/ s1 F& s q, H. z& s# q% L9 m0 TRandomize
, ~1 e( @" V$ ~" E 8 L* E1 v3 ~2 p% M, V: S, U2 O
SC.Reset
8 Z4 u# @ i; x' ~$ c2 r# C SC.AddCode "Function RunThis(X)" & vbCrLf & "RunThis=" & txtEquation & vbCrLf & "End Function"+ `! J$ f$ z( S6 w
For x = -15 To 15 Step 0.001; i" c* a# G' G, @( }; S0 Z
Y = SC.Run("runthis", x)" `" {% t0 s. v6 S$ _' Y- c
DoEvents" s9 G1 u' b, @
Picture1.PSet (x, Y), RGB(250, 0, 0)& R7 A% N. x) R( e+ A3 m# s9 O
Next x! @! I' V0 S) Y: `6 x0 S7 T
End Sub</P>
6 H1 _9 E+ ]) F# ~< > rivate Sub Command2_Click(). v: A* [" W5 c
XY
8 O# v+ k; n/ P5 @+ k! d) z+ YEnd Sub</P>5 M7 |" B7 k+ x
< > rivate Sub Command3_Click()' ^, C/ N/ ], i. f s) ?3 Q
End5 T1 V# Z5 g/ c
End Sub</P>
- H. U2 Y7 ^" P2 v* q4 P* r" c# j< >9 m$ i- M, ^/ ?6 ~
Private Sub Form_Load()- P& `' Z% o2 z; x- Z7 \( }
Me.Caption = "美丽曲线——数学爱好者"
& \+ T1 |* E: n8 ~9 M( m3 Y6 H% p5 BMe.Show
/ _6 V6 o" s3 R8 G% i# x, TMe.AutoRedraw = True
s- c2 S/ N, W) [1 X p0 v, z' s7 SXY3 P0 d; L$ p7 Q. D& {8 n$ N
End Sub
8 Q6 @3 o% X& H0 L9 `</P></TD>3 X8 }6 w3 x/ f" G I
<TD align=right width=60></TD></TR></TABLE>
8 V/ I2 _" e$ E" t2 b* ]< >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 _; L+ C, s4 T; W. X
[此贴子已经被作者于2005-3-4 17:40:39编辑过] |
zan
|