📄 form1.frm
字号:
VERSION 5.00
Begin VB.Form Form1
BackColor = &H80000009&
Caption = "圆周率的计算"
ClientHeight = 7320
ClientLeft = 60
ClientTop = 390
ClientWidth = 9315
LinkTopic = "Form1"
ScaleHeight = 7320
ScaleWidth = 9315
StartUpPosition = 3 '窗口缺省
Begin VB.TextBox Text6
Height = 375
Left = 6000
TabIndex = 1
Text = "100"
Top = 240
Width = 1215
End
Begin VB.TextBox Text5
Height = 285
Index = 9
Left = 7440
TabIndex = 40
Top = 6720
Width = 1335
End
Begin VB.TextBox Text5
Height = 285
Index = 8
Left = 7440
TabIndex = 39
Top = 6360
Width = 1335
End
Begin VB.TextBox Text5
Height = 285
Index = 7
Left = 7440
TabIndex = 38
Top = 6000
Width = 1335
End
Begin VB.TextBox Text5
Height = 285
Index = 6
Left = 7440
TabIndex = 37
Top = 5640
Width = 1335
End
Begin VB.TextBox Text5
Height = 285
Index = 5
Left = 7440
TabIndex = 36
Top = 5280
Width = 1335
End
Begin VB.TextBox Text5
Height = 285
Index = 4
Left = 7440
TabIndex = 35
Top = 4920
Width = 1335
End
Begin VB.TextBox Text5
Height = 285
Index = 3
Left = 7440
TabIndex = 34
Top = 4560
Width = 1335
End
Begin VB.TextBox Text5
Height = 285
Index = 2
Left = 7440
TabIndex = 33
Top = 4200
Width = 1335
End
Begin VB.TextBox Text5
Height = 285
Index = 1
Left = 7440
TabIndex = 32
Top = 3840
Width = 1335
End
Begin VB.TextBox Text5
Height = 285
Index = 0
Left = 7440
TabIndex = 31
Top = 3480
Width = 1335
End
Begin VB.TextBox Text4
Height = 285
Index = 9
Left = 5760
TabIndex = 29
Top = 6720
Width = 1215
End
Begin VB.TextBox Text4
Height = 285
Index = 8
Left = 5760
TabIndex = 28
Top = 6360
Width = 1215
End
Begin VB.TextBox Text4
Height = 285
Index = 7
Left = 5760
TabIndex = 27
Top = 6000
Width = 1215
End
Begin VB.TextBox Text4
Height = 285
Index = 6
Left = 5760
TabIndex = 26
Top = 5640
Width = 1215
End
Begin VB.TextBox Text4
Height = 285
Index = 5
Left = 5760
TabIndex = 25
Top = 5280
Width = 1215
End
Begin VB.TextBox Text4
Height = 285
Index = 4
Left = 5760
TabIndex = 24
Top = 4920
Width = 1215
End
Begin VB.TextBox Text4
Height = 285
Index = 3
Left = 5760
TabIndex = 23
Top = 4560
Width = 1215
End
Begin VB.TextBox Text4
Height = 285
Index = 2
Left = 5760
TabIndex = 22
Top = 4200
Width = 1215
End
Begin VB.TextBox Text4
Height = 285
Index = 0
Left = 5760
TabIndex = 21
Top = 3480
Width = 1215
End
Begin VB.TextBox Text4
Height = 285
Index = 1
Left = 5760
TabIndex = 20
Top = 3840
Width = 1215
End
Begin VB.TextBox Text3
Height = 375
Left = 5880
TabIndex = 9
Text = "1000"
Top = 1680
Width = 1215
End
Begin VB.CommandButton Command2
Caption = "（2）蒙特卡洛计算"
Height = 435
Left = 7320
TabIndex = 4
Top = 1920
Width = 1695
End
Begin VB.TextBox Text2
Height = 375
Left = 5160
TabIndex = 3
Top = 2160
Width = 1935
End
Begin VB.CommandButton Command1
Caption = "（1） 迭代法计算"
Height = 375
Left = 7320
TabIndex = 2
Top = 480
Width = 1695
End
Begin VB.TextBox Text1
Height = 375
Left = 5160
TabIndex = 0
Top = 720
Width = 2055
End
Begin VB.Label Label9
BackColor = &H80000005&
Caption = "Pai="
Height = 375
Left = 4680
TabIndex = 43
Top = 2280
Width = 495
End
Begin VB.Label Label8
BackColor = &H80000005&
Caption = "Pai="
Height = 375
Left = 4680
TabIndex = 42
Top = 720
Width = 495
End
Begin VB.Label Label7
BackColor = &H80000005&
Caption = "迭代次数："
Height = 375
Left = 5040
TabIndex = 41
Top = 240
Width = 975
End
Begin VB.Label Label4
BackColor = &H80000009&
Caption = "x 轴点分布"
Height = 255
Index = 0
Left = 5400
TabIndex = 8
Top = 3120
Width = 975
End
Begin VB.Label Label4
BackColor = &H80000009&
Caption = "y 轴点分布"
Height = 255
Index = 1
Left = 7440
TabIndex = 30
Top = 3120
Width = 975
End
Begin VB.Label Label6
BackColor = &H80000009&
Caption = "0.9-1.0"
Height = 255
Index = 8
Left = 4920
TabIndex = 19
Top = 6720
Width = 735
End
Begin VB.Label Label6
BackColor = &H80000009&
Caption = "0.8-0.9"
Height = 255
Index = 7
Left = 4920
TabIndex = 18
Top = 6360
Width = 735
End
Begin VB.Label Label6
BackColor = &H80000009&
Caption = "0.7-0.8"
Height = 255
Index = 6
Left = 4920
TabIndex = 17
Top = 6000
Width = 735
End
Begin VB.Label Label6
BackColor = &H80000009&
Caption = "0.6-0.7"
Height = 255
Index = 5
Left = 4920
TabIndex = 16
Top = 5640
Width = 735
End
Begin VB.Label Label6
BackColor = &H80000009&
Caption = "0.5-0.6"
Height = 255
Index = 4
Left = 4920
TabIndex = 15
Top = 5280
Width = 735
End
Begin VB.Label Label6
BackColor = &H80000009&
Caption = "0.4-0.5"
Height = 255
Index = 3
Left = 4920
TabIndex = 14
Top = 4920
Width = 735
End
Begin VB.Label Label6
BackColor = &H80000009&
Caption = "0.3-0.4"
Height = 255
Index = 2
Left = 4920
TabIndex = 13
Top = 4560
Width = 735
End
Begin VB.Label Label6
BackColor = &H80000009&
Caption = "0.2-0.3"
Height = 255
Index = 1
Left = 4920
TabIndex = 12
Top = 4200
Width = 615
End
Begin VB.Label Label6
BackColor = &H80000009&
Caption = "0.1-0.2"
Height = 255
Index = 0
Left = 4920
TabIndex = 11
Top = 3840
Width = 615
End
Begin VB.Label Label5
BackColor = &H80000009&
Caption = "0-0.1"
Height = 255
Left = 4920
TabIndex = 10
Top = 3480
Width = 615
End
Begin VB.Label Label3
BackColor = &H80000009&
Caption = "每次投点数："
Height = 375
Left = 4680
TabIndex = 7
Top = 1680
Width = 1215
End
Begin VB.Image Image2
Height = 4125
Left = 120
Picture = "Form1.frx":0000
Top = 2520
Width = 4470
End
Begin VB.Label Label2
BackColor = &H80000009&
Caption = "2-使用蒙特卡洛法"
BeginProperty Font
Name = "宋体"
Size = 14.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 360
TabIndex = 6
Top = 2040
Width = 3135
End
Begin VB.Label Label1
BackColor = &H80000009&
Caption = "1-使用迭代公式"
BeginProperty Font
Name = "宋体"
Size = 14.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 495
Left = 480
TabIndex = 5
Top = 240
Width = 3735
End
Begin VB.Image Image1
Height = 810
Left = 360
Picture = "Form1.frx":3C2C2
Top = 840
Width = 4125
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim Pai As Double
Dim B As Double
Dim I, N As Integer
N = Val(Text6.Text)
Pai = 1
B = 1
For I = 2 To N
B = B * (I - 1) / (2 * I - 1)
Pai = Pai + B
Next
Text1.Text = Pai * 2
End Sub
Private Sub Command2_Click()
Randomize Timer
Dim I As Long, N As Long, S As Long, J As Long
Dim ar(1 To 10), br(1 To 10) As Long
Dim Pai As Double, A As Double, B As Double, C As Double
I = 1: S = 0
N = Val(Text3.Text)
While I <= N
A = Rnd: B = Rnd
C = Sqr(A * A + B * B)
J = Int(A * 10) + 1
ar(J) = ar(J) + 1
J = Int(B * 10) + 1
br(J) = br(J) + 1
If C <= 1 Then
S = S + 1
End If
I = I + 1
Wend
Pai = S * 4 / N
Text2.Text = Pai
For J = 1 To 10
Text4(J - 1).Text = Str(ar(J)) + " , (" + Str(ar(J) - N / 10) + ")"
Text5(J - 1).Text = Str(br(J)) + " , (" + Str(br(J) - N / 10) + ")"
Next
End Sub
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