研究了一类多延迟微分方程数值方法的散逸性问题。

This paper is concerned with the dissipativity of Runge-Kutta methods for multidelay differential equations.

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通过在个体类内保局差异散度矩阵的零空间中求最优特征向量，避免了矩阵的奇异性问题，解决了小样本问题。

The optimal feature vectors are extracted from the null space of intrapersonal locality preserving difference scatter matrix, which avoids the singularity and the SSS problem is solved.

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