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Inexact Iterative Methods for Solving Matrix Riccati Equations Arising in Stochastic Control

机译:求解随机控制中出现的矩阵Riccati方程的不精确迭代方法

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In this paper, we consider the matrix Riccati equation arising in stochastic control. Newton's method is very expensive since the matrices in applications can be very large. In [1], Guo proposed a much less expensive iteration. We propose an inexact variant which allows one to control the number of the inner iterations, and also give the conditions under which the monotonicity and global convergence results also hold for the inexact method. Numerical tests report the effectiveness of this proposed method.
机译:在本文中,我们考虑了随机控制中出现的矩阵Riccati方程。牛顿方法非常昂贵,因为应用程序中的矩阵可能很大。在[1]中,Guo提出了一个便宜得多的迭代。我们提出了一种不精确的变体,它可以控制内部迭代的次数,并且给出了不精确方法也具有单调性和全局收敛性结果的条件。数值测试表明了该方法的有效性。

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