To show the implementation of the matrix viewer, we'll modify and expand the scenario to have more cities and four different matrices showing a variety of data.

为了演示矩阵查看器的实现，我们将修改并扩展此场景，将有更多的城市，有四个不同的矩阵以显示多个数据。

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The most common method is to split the categories into a four-way matrix with server and virtual machine problems on one axis and network and storage on the other axis.

最常见的方法是分类归入到四维矩阵中，矩阵的一个轴上是服务器和虚拟机，另外一个轴上是网络和存储。

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This matrix is symmetric and banded, the band being equal to four.

这个矩阵是对称的且是带状的，带宽等于四。

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Oh, and one other thing: Peter Drucker never drew a four-box matrix in his entire life.

FORBES: How to Consult Like Peter Drucker

The book is especially obtuse when Koch describes his system for grading employees, a four-box "virtue and talents matrix" that balances "values and beliefs" against the skills needed to run the business.

FORBES: Koch's Laws

One way to do that is with the classic comparison matrix, originated by the Boston Consulting Group, of four quadrants, charting values along the x- and y-axes.

FORBES: Paul Ryan: Criticize and Propose