VB設計一個支持矩陣加減乘運算的程序

Const M = 5

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Const N = 5

Dim aa(M, N), bb(M, N), cc(M, N)

Sub printit(a()) '打印矩陣

For i = 1 To M

For j = 1 To N

Print Tab(j * 10); a(i, j);

Next j

Print

Next i

End Sub

Sub jzjia(a(), b(), c()) '矩陣相加 c=a+b

For i = 1 To M

For j = 1 To N

c(i, j) = a(i, j) + b(i, j)

Next j, i

End Sub

Sub jzjian(a(), b(), c()) '矩陣相減 c=a-b

For i = 1 To M

For j = 1 To N

c(i, j) = a(i, j) - b(i, j)

Next j, i

End Sub

Sub jzcheng(a(), b(), c()) '矩陣相乘 c=a*b

For i = 1 To M

For j = 1 To N

c(i, j) = a(i, j) * b(i, j)

Next j, i

End Sub

Private Sub Command1_Click()

Cls

Print "a----------------"

printit aa

Print "b----------------"

printit bb

jzjia aa, bb, cc '相加

Print "c=a+b------------"

printit cc '輸出矩陣

jzjian aa, bb, cc '相減

Print "c=a-b------------"

printit cc

jzcheng aa, bb, cc '相乘

Print "c=a*b------------"

printit cc

End Sub

Private Sub Form_Load()

'為數(shù)組aa和bb賦初值，可根據(jù)自己需要進行賦值

For i = 1 To M

For j = 1 To N

aa(i, j) = i * j

bb(i, j) = i + j

Next j

Next i

End Sub

求助！用Vb.net編寫兩個矩陣相乘！

Public Shared Sub Main()

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

Console.WriteLine("該程序將求出兩個矩陣的積:")

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,無法進行乘積運算!")

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寫了一個矩陣乘法的程序 代碼如下

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