vb.net实现矩阵相乘的简单介绍
VB设计一个支持矩阵加减乘运算的程序
Const M = 5
创新互联主要从事成都网站制作、做网站、网页设计、企业做网站、公司建网站等业务。立足成都服务井陉,10年网站建设经验,价格优惠、服务专业,欢迎来电咨询建站服务:18980820575
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
求助!用Vb.net编写两个矩阵相乘!
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
矩阵相乘 VB代码
'建立4个label1(),index 0--3。6个label2(),index 0--5。6个text1(),index 0--5
'建立1个label3,两个command1和2
'Form1.MaxButton = False
Dim I As Byte, J As Byte, A As Byte, B As Byte
Dim M As Byte, N As Byte, MN As Byte
Dim JZ1() As Single, JZ2() As Single, JZ3() As Single
Dim SS As String
Private Sub Command1_Click()
If Command1.Caption = "确定" Then
Command1.Caption = "完成"
ReDim JZ1(1 To M, 1 To MN) As Single
ReDim JZ2(1 To MN, 1 To N) As Single
ReDim JZ3(1 To M, 1 To N) As Single
For I = 0 To 5
Text1(I).Locked = True
Text1(I).BackColor = HF0F0F0
Text1(I).BorderStyle = 0
Next I
Label3.Caption = "请输入相乘的两个矩阵,输入完成后按完成键"
For I = 1 To M
For J = 1 To MN
JZ1(I, J) = Val(InputBox("第一个矩阵____第" + Str(I) + "行 第" + Str(J) + "列元素:", "输入矩阵", 3))
CurrentX = 100 + (J - 1) * 350
CurrentY = 1000 + (I - 1) * 200
Print JZ1(I, J)
Next
Next
For I = 1 To MN
For J = 1 To N
JZ2(I, J) = Val(InputBox("第二个矩阵____第" + Str(I) + "行 第" + Str(J) + "列元素:", "输入矩阵", 3))
CurrentX = 3000 + (J - 1) * 350
CurrentY = 1000 + (I - 1) * 200
Print JZ2(I, J)
Next
Next
'Select Case M
ElseIf Command1.Caption = "完成" Then
Command1.Caption = "重新开始"
For I = 1 To M
For J = 1 To N
JZ3(I, J) = 0
For A = 1 To MN
JZ3(I, J) = JZ3(I, J) + JZ1(I, A) * JZ2(A, J)
Next
CurrentX = 6000 + (J - 1) * 350
CurrentY = 1000 + (I - 1) * 200
Print JZ3(I, J)
Next
Next
Else
Form_Load
End If
End Sub
Private Sub Command2_Click()
End
End Sub
Private Sub Form_Load()
Cls
Form1.Width = 9000
Form1.Height = 7000
For I = 0 To 2
Label1(I).Width = 1000
Label1(I).Height = 200
Label1(I).Top = 0
Label1(I).Left = 700 + I * 3000
Label1(I).Caption = "第" + Str(I + 1) + "个矩阵"
Next
For I = 0 To 5
Text1(I).Width = 400
Text1(I).Height = 200
Text1(I).Top = 300
Label2(I).Width = 200
Label2(I).Height = Text1(I).Height
Label2(I).Top = Text1(I).Top + 50
Text1(I).Text = 2
Text1(I).Alignment = 1
If I Mod 2 Then
Text1(I).Left = I * 1500 - 300
Label2(I).Caption = "列"
Else
Text1(I).Left = 300 + I * 1500
Label2(I).Caption = "行"
End If
Label2(I).Left = Text1(I).Left + 450
Next
M = 2
N = 2
MN = 2
Text1(2).Locked = True
Text1(4).Locked = True
Text1(5).Locked = True
Text1(0).Locked = False
Text1(1).Locked = False
Text1(3).Locked = False
For I = 0 To 5
Text1(I).BackColor = HFFFFFF
Text1(I).BorderStyle = 1
Next I
Command1.Caption = "确定"
Command2.Caption = "退出"
Label3.Caption = "请输入矩阵的行和列,完成后按确定键"
End Sub
Private Sub Text1_Change(Index As Integer)
Text1(2).Text = Text1(1).Text
Text1(4).Text = Text1(0).Text
Text1(5).Text = Text1(3).Text
M = Val(Text1(0).Text)
MN = Val(Text1(1).Text)
N = Val(Text1(3).Text)
End Sub
已经运行过。
VB.NET写了一个矩阵乘法的程序 代码如下
淳朴,古拙,淡泊,深远。闲居山林,逍遥河上,也许人只有摆脱了物欲的禁锢,才能让灵魂得到飞升。不识字烟波钓叟,傲杀人见万户侯;闲居山野的隐士,羞煞世上名利客。
斜风细雨,江南春色,落英缤纷。春水媚,绿波盈,青山横,白鹭飞。披蓑戴笠,心逐白云,意随鱼戏,行到水穷,坐看云起,卧听风韵松涛。不须归,不须归,只任心灵,放逐在深爱的自然里,忘世忘机。
《芥子园画谱》云:“与山水有顾盼,人似看山,山亦似俯而看人”。司空图《诗品冲淡》说:“遇之非深,即之逾稀。”空灵天真,非性情中人而不能为。梅妻鹤子友麋鹿,是怎样一种超逸?
网页名称:vb.net实现矩阵相乘的简单介绍
文章链接:http://azwzsj.com/article/hjedoc.html