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Const M = 5
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Const N = 5
Dim aa(M, N), bb(M, N), cc(M, N)
Sub printit(a()) '打印矩阵
For i = 1 To M
For j = 1 To N
Print Tab(j * 10); a(i, j);
Next j
Next i
End Sub
Sub jzjia(a(), b(), c()) '矩阵相加 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()) '矩阵相减 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()) '矩阵相乘 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 '输出矩阵
jzjian aa, bb, cc '相减
Print "c=a-b------------"
printit cc
jzcheng aa, bb, cc '相乘
Print "c=a*b------------"
printit cc
End Sub
Private Sub Form_Load()
'为数组aa和bb赋初值，可根据自己需要进行赋值
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
Public Shared Sub Main()
Dim a As Integer, b As Integer, c As Integer, d As Integer
Console.WriteLine("该程序将求出两个矩阵的积:")
Console.WriteLine("请指定矩阵A的行数:")
a = Integer.Parse(Console.ReadLine())
Console.WriteLine("请指定矩阵A的列数:")
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("请输入矩阵A第{0}行第{1}列的值:", i + 1, j + 1)
MatrixA(i, j) = Integer.Parse(Console.ReadLine())
Next
Next
Console.WriteLine("矩阵A输入完毕.")
Console.WriteLine("请指定矩阵B的行数:")
c = Integer.Parse(Console.ReadLine())
Console.WriteLine("请指定矩阵B的列数:")
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("请输入矩阵A第{0}行第{1}列的值:", i + 1, j + 1)
MatrixB(i, j) = Integer.Parse(Console.ReadLine())
Next
Next
Console.WriteLine("矩阵B输入完毕.")
Console.WriteLine("矩阵A为:")
outputMatrix(MatrixA, a, b)
Console.WriteLine("矩阵B为:")
outputMatrix(MatrixB, c, d)
If b c Then
Console.WriteLine("矩阵A的列数与矩阵B的行数不相等,无法进行乘积运算!")
Return
Else
Console.WriteLine("矩阵A与矩阵B的乘积为:")
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
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