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4 results for “from:Rafael Ayala Hernandez”

[R-sig-dyn-mod] Modeling event with non-instantaneous duration
Rafael Ayala Hernandez · Mar 14, 2022 · r-sig-dynamic-models

Dear all, I am currently using the deSolve package in my asteRisk package to perform orbit propagation of satellites. I am now aiming to model orbital maneuvers, which can be seen as sudden, transient changes in acceleration due to engine...

[R-pkg-devel] Example files for functions reading binary files
Rafael Ayala Hernandez · Dec 3, 2023 · r-package-devel

ello, I have added some functions to read binary files in my asteRisk package. The binary files that are read contain just arrays of coefficients and metadata about these. I would like to provide a small file of these to...

[Rcpp-devel] Numerical precision in rotations with Eigen
Rafael Ayala Hernandez · Jan 10, 2024 · rcpp-devel

Hi, I have implemented a function to rotate a 3D vector a given angle around a given axis (basically wrapping the functionality provided by Eigen::AngleAxis) as an Rcpp function. Below is an extract from the source file: #include <Rcpp...

[Rcpp-devel] Numerical precision in rotations with Eigen
Rafael Ayala Hernandez · Jan 10, 2024 · rcpp-devel

Dear Dirk, Thanks a lot. This has indeed been quite insightful, and the link to the classic you provided makes me realize how little I knew about machine precision issues. The link to the R FAQ you provided made me...

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