Zolotarev Iterations for the Matrix Square Root
نویسندگان
چکیده
منابع مشابه
Functions Preserving Matrix Groups and Iterations for the Matrix Square Root
For which functions f does A ∈ G ⇒ f(A) ∈ G when G is the matrix automorphism group associated with a bilinear or sesquilinear form? For example, if A is symplectic when is f(A) symplectic? We show that group structure is preserved precisely when f(A) = f(A) for bilinear forms and when f(A) = f(A) for sesquilinear forms. Meromorphic functions that satisfy each of these conditions are characteri...
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ژورنال
عنوان ژورنال: SIAM Journal on Matrix Analysis and Applications
سال: 2019
ISSN: 0895-4798,1095-7162
DOI: 10.1137/18m1178529