下三角矩阵求逆方法如题,四阶下三角矩阵求其逆阵有没有除定义外的其他方法?

相关推荐

• 下三角矩阵求逆方法如题,四阶下三角矩阵求其逆阵有没有除定义外的其他方法?
• VB 麻烦把A矩阵改成下三角型显示,B上三角型显示Private Sub Command1_Click()Dim a(4, 4) As IntegerDim i As Integer, j As Integer For i = 1 To 4 For j = 1 To 4 a(i, j) = Int(Rnd * 41 + 30) Print a(i, j); Next j Print Next i Print Dim b(4, 4) As Integer For i = 1 To 4 For j = 1 To 4 b(i, j) = Int(Rnd * 34 + 101) Print b(i, j); Next j Print Next i
• 怎么求下三角矩阵的逆.写的具体一点,