请问怎样用 VB写一个计算矩阵的程序~~谢谢

用行列式化简就可以了

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先把数据输入数组det(1 to m,1 to n)中

然后把 第一个元素不是0的行 移动到上部,然后用第一行把下面各行第一列化为0;依此类推,得到阶梯型,然后...反正你学过行列式,应该懂的.

编程的思路和平时做题的基本一样.顶多就加一个交换行用的函数

你自己想的话,效果会好点.可以由简单的做起,例如3行3列的

求助,初学者想问VB.NET，怎么输入一维列矩阵或者一维行矩阵怎么转置成一维列矩阵？谢谢了！

在程序设计语言里，用二维数组来保存矩阵的值。

一维列矩阵，就是由：若干行、一列组成的二维数组。

一维行矩阵，就是由：一行、若干列组成的二维数组。

比如一维列矩阵，的输入：

dim a(10,1) as integer '10行，1列

dim i as integer

for i = 1 to 10

a(i,1) = inputbox("")

next i

用VB编写矩阵

Option Explicit

Dim i, j As Integer

Dim X(11, 11), Y(11, 11) As Double

Dim A As Variant

'假设X是个一个方阵，那么就是有12行12列

Private Sub Form_Load()

Show

A = Array(1, 2, 4, 5, 6, 7, 1, 2, 4, 5, 6, 7)

For i = 0 To 11

For j = 0 To 11

X(i, j) = Val(InputBox("请输入第" + Trim(i) + "行第" + Trim(j) + "列的数值：", "", Trim(i) + Trim(j)))

Print X(i, j);

Next j

Print

Next i

For i = 0 To 11

For j = 0 To 11

Y(j, i) = A(j) * X(j, i)

Print Y(j, i)

Next j

Print

Next i

End Sub

vb 建立矩阵

Private Sub Form_click()

Dim a(1 To 3, 1 To 3)

For i = 1 To 3

For j = 1 To 3

a(i, j) = j + 3 * (i - 1)

Print a(i, j);

Next

Print

Next

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

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