求助！用Vb.net編寫兩個(gè)矩陣相乘！

Public Shared Sub Main()

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Dim a As Integer, b As Integer, c As Integer, d As Integer

Console.WriteLine("該程序?qū)⑶蟪鰞蓚€(gè)矩陣的積:")

Console.WriteLine("請指定矩陣A的行數(shù):")

a = Integer.Parse(Console.ReadLine())

Console.WriteLine("請指定矩陣A的列數(shù):")

b = Integer.Parse(Console.ReadLine())

Dim MatrixA As Integer(,) = New Integer(a - 1, b - 1) {}

For i As Integer = 0 To a - 1

For j As Integer = 0 To b - 1

Console.WriteLine("請輸入矩陣A第{0}行第{1}列的值:", i + 1, j + 1)

MatrixA(i, j) = Integer.Parse(Console.ReadLine())

Next

Next

Console.WriteLine("矩陣A輸入完畢.")

Console.WriteLine("請指定矩陣B的行數(shù):")

c = Integer.Parse(Console.ReadLine())

Console.WriteLine("請指定矩陣B的列數(shù):")

d = Integer.Parse(Console.ReadLine())

Dim MatrixB As Integer(,) = New Integer(c - 1, d - 1) {}

For i As Integer = 0 To c - 1

For j As Integer = 0 To d - 1

Console.WriteLine("請輸入矩陣A第{0}行第{1}列的值:", i + 1, j + 1)

MatrixB(i, j) = Integer.Parse(Console.ReadLine())

Next

Next

Console.WriteLine("矩陣B輸入完畢.")

Console.WriteLine("矩陣A為:")

outputMatrix(MatrixA, a, b)

Console.WriteLine("矩陣B為:")

outputMatrix(MatrixB, c, d)

If b c Then

Console.WriteLine("矩陣A的列數(shù)與矩陣B的行數(shù)不相等,無法進(jìn)行乘積運(yùn)算!")

Return

Else

Console.WriteLine("矩陣A與矩陣B的乘積為:")

End If

Dim MatrixC As Integer(,) = New Integer(a - 1, d - 1) {}

For i As Integer = 0 To a - 1

For j As Integer = 0 To d - 1

MatrixC(i, j) = 0

For k As Integer = 0 To b - 1

MatrixC(i, j) += MatrixA(i, k) * MatrixB(k, j)

Next

Next

Next

outputMatrix(MatrixC, a, d)

End Sub

Private Shared Sub outputMatrix(MatrixX As Integer(,), rowCount As Integer, columnCount As Integer)

For i As Integer = 0 To rowCount - 1

For j As Integer = 0 To columnCount - 1

Console.Write(MatrixX(i, j) vbTab)

Next

Console.WriteLine()

Next

End Sub

End Class

vb.net 數(shù)組顯示矩陣的一道題

'這是在vb6中的代碼，在vb.net中基本差不多，你可以參考一下

Private Sub cmdCommand1_Click()

Me.AutoRedraw = True

Dim Grp

Grp = Array(1, 2, 3, 4, 5)

Dim i, j As Long

Dim StrPrt As String

For i = 0 To UBound(Grp)

'i為位移量

StrPrt = ""

For j = i To UBound(Grp)

StrPrt = StrPrt Grp(j)

Next j

For j = 0 To i - 1

StrPrt = StrPrt Grp(j)

Next j

Me.Print StrPrt

Next i

End Sub

用vb.net編程，建立一個(gè)m行n列的矩陣，找出其中最小的元素所在的行和列，并輸出該值及其行、列位置

沒錯(cuò)!!

你的算法是：

1.定義三個(gè)變量，minValue（放最小值），X（放最小值的X坐標(biāo)），Y（放最小值的Y坐標(biāo)）。

2.遍歷矩陣。在遍歷過程中將最小值放在minValue中，最小值的X坐標(biāo)放在X中，最小值的Y坐標(biāo)放在X中。

vb.net中矩陣計(jì)算問題請教高手.

給你一個(gè)函數(shù) Public Sub Vect1XtoVect2(ByVal x1 As Double, ByVal y1 As Double, ByVal z1 As Double, _ ByVal x2 As Double, ByVal y2 As Double, ByVal z2 As Double, _ ByRef xNew As Double, ByRef yNew As Double, ByRef zNew As Double) '矢量叉積 xNew = y1 * z2 - z1 * y2 yNew = z1 * x2 - x1 * z2 zNew = x1 * y2 - y1 * x2 End Sub其中x1,y1,z1為第一個(gè)矢量，x2,y2,z2為第二個(gè)矢量xnew,ynew,znew為得到的新矢量

網(wǎng)頁標(biāo)題：vb.net矩陣求解,vb計(jì)算矩陣
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