(self)
Select the off-diagonal elements of the matrix
Select the off-diagonal elements of the matrix
Select the off - diagonal elements of the matrix
def select_wrong(self):
        """Select the off-diagonal elements of the matrix"""
        selection = QItemSelection()
        n = self.tablemodel.rowCount()
        for i in range(2, n):
            for j in range(i + 1, n):
                index = self.tablemodel.index(i, j)
                selection.select(index, index)
                index = self.tablemodel.index(j, i)
                selection.select(index, index)
        self.tableview.selectionModel().select(
            selection, QItemSelectionModel.ClearAndSelect)
def select_wrong ( self ) : selection = QItemSelection ( ) n = self . tablemodel . rowCount ( ) for i in range ( 2 , n ) : for j in range ( i + 1 , n ) : index = self . tablemodel . index ( i , j ) selection . select ( index , index ) index = self . tablemodel . index ( j , i ) selection . select ( index , index ) self . tableview . selectionModel ( ) . select ( selection , QItemSelectionModel . ClearAndSelect )