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。

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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。

youdao