frmvbolemat.frm

《MATLAB实用指南》系列丛书DE源代码

VERSION 5.00
Begin VB.Form frmVBOLEMat 
   Caption         =   "在VB与MATLAB之间OLE时传输矩阵数据"
   ClientHeight    =   4305
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   10965
   LinkTopic       =   "Form1"
   ScaleHeight     =   4305
   ScaleWidth      =   10965
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton cmdExit 
      Caption         =   "关      闭"
      Height          =   375
      Left            =   8520
      TabIndex        =   13
      Top             =   3480
      Width           =   1935
   End
   Begin VB.CommandButton cmdCompute 
      Caption         =   "求原矩阵的逆矩阵"
      Height          =   375
      Left            =   6000
      TabIndex        =   12
      Top             =   3480
      Width           =   1935
   End
   Begin VB.Frame Frame1 
      Caption         =   "原矩阵"
      Height          =   2655
      Left            =   240
      TabIndex        =   0
      Top             =   360
      Width           =   4575
      Begin VB.TextBox txtEle 
         Height          =   375
         Index           =   5
         Left            =   3240
         TabIndex        =   9
         Text            =   "5"
         Top             =   1200
         Width           =   975
      End
      Begin VB.TextBox txtEle 
         Height          =   375
         Index           =   8
         Left            =   3240
         TabIndex        =   8
         Text            =   "0"
         Top             =   1920
         Width           =   975
      End
      Begin VB.TextBox txtEle 
         Height          =   375
         Index           =   7
         Left            =   1800
         TabIndex        =   7
         Text            =   "2"
         Top             =   1920
         Width           =   975
      End
      Begin VB.TextBox txtEle 
         Height          =   375
         Index           =   6
         Left            =   360
         TabIndex        =   6
         Text            =   "7"
         Top             =   1920
         Width           =   975
      End
      Begin VB.TextBox txtEle 
         Height          =   375
         Index           =   4
         Left            =   1800
         TabIndex        =   5
         Text            =   "2"
         Top             =   1200
         Width           =   975
      End
      Begin VB.TextBox txtEle 
         Height          =   375
         Index           =   3
         Left            =   360
         TabIndex        =   4
         Text            =   "4"
         Top             =   1200
         Width           =   975
      End
      Begin VB.TextBox txtEle 
         Height          =   375
         Index           =   2
         Left            =   3240
         TabIndex        =   3
         Text            =   "9"
         Top             =   480
         Width           =   975
      End
      Begin VB.TextBox txtEle 
         Height          =   375
         Index           =   1
         Left            =   1800
         TabIndex        =   2
         Text            =   "3"
         Top             =   480
         Width           =   975
      End
      Begin VB.TextBox txtEle 
         Height          =   375
         Index           =   0
         Left            =   360
         TabIndex        =   1
         Text            =   "1"
         Top             =   480
         Width           =   975
      End
   End
   Begin VB.Label lblOut 
      Height          =   1575
      Left            =   5040
      TabIndex        =   11
      Top             =   1080
      Width           =   5655
   End
   Begin VB.Label Label1 
      Caption         =   "逆矩阵"
      Height          =   255
      Left            =   5160
      TabIndex        =   10
      Top             =   600
      Width           =   2775
   End
End
Attribute VB_Name = "frmVBOLEMat"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Private Sub cmdCompute_Click()
  Dim objMATLAB As Object
  Dim dblInReal(1 To 3, 1 To 3) As Double
  Dim dblInImag(1 To 3, 1 To 3) As Double
  Dim dblOutReal(1 To 3, 1 To 3) As Double
  Dim dblOutImag(1 To 3, 1 To 3) As Double
  Dim i As Integer
  Dim j As Integer
  
  dblInReal(1, 1) = Val(txtEle(0).Text)
  dblInReal(1, 2) = Val(txtEle(1).Text)
  dblInReal(1, 3) = Val(txtEle(2).Text)
  dblInReal(2, 1) = Val(txtEle(3).Text)
  dblInReal(2, 2) = Val(txtEle(4).Text)
  dblInReal(2, 3) = Val(txtEle(5).Text)
  dblInReal(3, 1) = Val(txtEle(6).Text)
  dblInReal(3, 2) = Val(txtEle(7).Text)
  dblInReal(3, 3) = Val(txtEle(8).Text)
  
  For i = 1 To 3
    For j = 1 To 3
      dblInImag(i, j) = 0
    Next
  Next
  
  Set MatLab = CreateObject("matlab.application")
  Call MatLab.PutFullMatrix("InM", "base", dblInReal, dblInImag)
  Call MatLab.Execute("OutM=inv(InM);")
  Call MatLab.GetFullMatrix("OutM", "base", dblOutReal, dblOutImag)
  
  Dim strOutM As String
  lblOut.Caption = ""
  For i = 1 To 3
    For j = 1 To 3
      strOutM = strOutM & dblOutReal(i, j) & Chr(9)
    Next
    lblOut.Caption = lblOut.Caption & strOutM & Chr(13) & Chr(10)
    strOutM = ""
  Next
  
  Set MatLab = Nothing
End Sub

Private Sub cmdExit_Click()
  Unload frmVBOLEMat
End Sub