So 2 and minus 1 in the first row, minus 1 and 2 in the second row, that is the matrix.
所以2和- 1在第一行，- 1和2在第二行，这就是一个矩阵。
2
Each row in the OV-3 matrix represents an IER, which is made up of characteristics of the data transferred between roles and objects in an interaction from the OV-6c sequence diagrams.
OV - 3矩阵中的每一行表示一个IER，由在OV - 6 c序列图的交互中的角色和对象间转移的数据的特征组成。
3
From the result matrix you can drill down into row or column details.