This paper studies relation between the linear function and the matrix trace, and obtains a number of necessary and sufficient the condition that a linear function is trace of matrix.
讨论线性函数与矩阵的迹的关系，给出了一个线性函数是矩阵的迹的若干充要条件。
It also allows you to trace different types of requirements to each other and view those relationships in a matrix.
它还允许您追踪不同类型的需求，并且在矩阵中观察那些关系。
As the call chain is parsed from the trace file, a connectivity matrix is built that identifies which functions call which other functions.
在分析跟踪文件中的调用链时，会构建一个连通矩阵，用来表示哪个函数调用了其他哪些函数。
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