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- W4308272232 abstract "We show, that the Complex Step approximation to the Fréchet derivative of matrix functions is applicable to the matrix sign, square root and polar mapping using iterative schemes. While this property was already discovered for the matrix sign using Newtons method, we extend the research to the family of Padé iterations, that allows us to introduce iterative schemes for finding function and derivative values while approximately preserving automorphism group structure." @default.
- W4308272232 created "2022-11-10" @default.
- W4308272232 creator A5011689877 @default.
- W4308272232 date "2022-11-04" @default.
- W4308272232 modified "2023-09-30" @default.
- W4308272232 title "The complex step method for approximating the Fréchet derivative of matrix functions in automorphism groups" @default.
- W4308272232 doi "https://doi.org/10.14464/gammas.v4i1.493" @default.
- W4308272232 hasPublicationYear "2022" @default.
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