2019
DOI: 10.1016/j.cam.2019.04.014
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Large-scale algebraic Riccati equations with high-rank constant terms

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Cited by 11 publications
(6 citation statements)
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“…Although the deflation of the low-rank factors and kernels in the last section can reduce dimensional growth, the exponential increment of the undeflated part is still rapid, making large-scale computation and storage infeasible. Conventionally, one efficient way to shrink the column number of low-rank factors is by truncation and compression (TC) [17,18], which, unfortunately, is hard to be applied to our case due to the following two main obstacles.…”
Section: Partial Truncation and Compressionmentioning
confidence: 99%
See 2 more Smart Citations
“…Although the deflation of the low-rank factors and kernels in the last section can reduce dimensional growth, the exponential increment of the undeflated part is still rapid, making large-scale computation and storage infeasible. Conventionally, one efficient way to shrink the column number of low-rank factors is by truncation and compression (TC) [17,18], which, unfortunately, is hard to be applied to our case due to the following two main obstacles.…”
Section: Partial Truncation and Compressionmentioning
confidence: 99%
“…However, when the constant term H in the DARE equation has a high-rank structure, the stabilizing solution is no longer numerically low-ranked, making its storage and outputting difficult. To solve this issue, an adapted version of the doubling algorithm, named SDA_h, was proposed in [18]. The main idea behind SDA_h is to take advantage of the numerical low-rank of the stabilizing solution in the dual equation to estimate the residual of the original DARE.…”
Section: Introductionmentioning
confidence: 99%
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“…Riccati equations are a recurrent and important feature in many theoretical control design results and have been the subject of study for a long time, including [1] and more recently [2]. When the unique positive semidefinite solution of a Riccati equation is time invariant we then fall back into the particular, albeit ubiquitous, subset known as algebraic Riccati equations (AREs) [3]- [5]. AREs have played a central role in many control design synthesis procedures, [6]- [8], including H 2 optimal control [9] and H ∞ optimal control [10]- [12].…”
Section: Introductionmentioning
confidence: 99%
“…where ω(x) is an unknown complex function to be found, μ(x) : [0, T] → C and R(x, t, ω(t)) : [0, T] 2 × C → C are continuous and Lipschitzian periodic functions such that as Maxwell's equations, biological, radiative energy, engineering problems, potential theory, and transfers problems of oscillations that can be formulated by this equation and fractional integro-differential equations; see [5][6][7]. Some numerical algorithms that discuss the approximation of the solution of IDE can be listed such as the nonsmooth initial data arising method [8], Haar and RH methods [9][10][11], cubic B-spline finite element method [12], Runge-Kutta-Nystrom methods [13,14], and high-rank constant terms [15]. Furthermore, in [16,17], by using a system of Cauchy type and numerical method with graded meshes, singular integral equations were solved.…”
Section: Introductionmentioning
confidence: 99%