Question

How to calculate the determinant of a 2X2 matrix in VB.NET

Answer 1

Module Module1

    Sub Main()

        Dim arr(,) As Single = {{3, 8}, {4, 6}}
        Dim determinant As Single

        '    
        '       a b
        ' arr = 
        '       c d
        ' 
        ' determinant = a*d - b*c
        ' 
        '

        determinant = (arr(0, 0) * arr(1, 1)) - (arr(0, 1) * arr(1, 0))

        Console.WriteLine(determinant)

    End Sub

End Module

' run:
' 
' -14

 

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