Abstract
In this paper, we design two numerical methods for solving some matrix feasibility problems, which arise in the quantum information science. By making use of the structured properties of linear constraints and the minimization theorem of symmetric matrix on manifold, the projection formulas of a matrix onto the feasible sets are given, and then the relaxed alternating projection algorithm and alternating projection algorithm on manifolds are designed to solve these problems. Numerical examples show that the new methods are feasible and effective.
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The work was supported by the National Natural Science Foundation of China (No.11561015; 11261014; 11301107; 11361018), the Natural Science Foundation of Guangxi Province (No.2014GXNSFAA118004).
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Duan, XF., Li, CM., Li, JF. et al. Numerical methods for solving some matrix feasibility problems. Numer Algor 74, 461–479 (2017). https://doi.org/10.1007/s11075-016-0155-2
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DOI: https://doi.org/10.1007/s11075-016-0155-2