The L-D factorization was also applied into Kalman filter to avoid computing the inverse of matrix, so its stability and precision is improved.

把矩阵分析中的L - D分解算法运用到该算法中以避免计算矩阵的逆，从而改善了算法的稳定性和精度。

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In this paper, the algebraic perturbation theory of generalized B-D Inverse of L-nonnegative definite matrix is discussed. and the expressions of the algebraic perturbation are presented.

讨论了L-非负定矩阵的广义B-D逆的代数扰动问题，并给出了它的代数扰动表达式。

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