Re: [Rd] Concerns with SVD -- and the Matrix Exponential

2023-08-16 Thread Duncan Murdoch
Dear Durga, I think you have a basic misunderstanding of this mailing list. The responses you have received are from users and volunteer developers. There are no "officials of R-Software". R is an open source project containing contributions from hundreds (maybe thousands) of people. It's

Re: [Rd] Concerns with SVD -- and the Matrix Exponential

2023-08-16 Thread Bill Dunlap
You wrote: Using singular value decomposition, any second-order tensor is given as A = UΣVt where U and V are the orthogonal tensors, and Σ is the diagonal matrix (Eigenvalue matrix). For a symmetric matrix, the orthogonal tensors are the same, i.e., U=V. Ca

Re: [Rd] Concerns with SVD -- and the Matrix Exponential

2023-08-16 Thread Lakshman, Aidan H
Hi Durga, Just to add to previous comments--if you’re interested in the implementation of SVD in R, I’d recommend looking at the source code and/or sending general questions to the community slack, which may provide faster responses and help with double checking your work. Most of the perceived

Re: [Rd] R-4.3 version list.files function could not work correctly in chinese

2023-08-16 Thread Tomas Kalibera
On 8/16/23 13:22, Ivan Krylov wrote: On Wed, 16 Aug 2023 09:42:09 +0200 Tomas Kalibera wrote: Fixed in R-devel (84960). Please let me know if you see any problem with the fix. Thank you for implementing the fix! I gave 叶月光 the link to the GitHub Action build of the r84960 installer. Thanks

Re: [Rd] R-4.3 version list.files function could not work correctly in chinese

2023-08-16 Thread Tomas Kalibera
On 8/16/23 13:11, yu gong wrote: > a little more information for this issue. > Search in MS website today , found doc about "Maximum Path Length > Limitation", Maximum Path Length Limitation - Win32 apps | Microsoft > Learn >

Re: [Rd] R-4.3 version list.files function could not work correctly in chinese

2023-08-16 Thread Ivan Krylov
On Wed, 16 Aug 2023 09:42:09 +0200 Tomas Kalibera wrote: > Fixed in R-devel (84960). Please let me know if you see any problem > with the fix. Thank you for implementing the fix! I gave 叶月光 the link to the GitHub Action build of the r84960 installer. I'm worried that 叶月光 was seeing FindNextFile

Re: [Rd] R-4.3 version list.files function could not work correctly in chinese

2023-08-16 Thread yu gong
a little more information for this issue. Search in MS website today , found doc about "Maximum Path Length Limitation", Maximum Path Length Limitation - Win32 apps | Microsoft Learn . According th

Re: [Rd] Concerns with SVD -- and the Matrix Exponential

2023-08-16 Thread Durga Prasad G me14d059
Dear Martin, I am getting different responses from different officials of R-Software, but those statements are contradicting with the statements discussed in your email. Kindly go through the previous files and emails, and respond. I personally think, together we can fix the issue which is observed

Re: [Rd] Concerns with SVD -- and the Matrix Exponential

2023-08-16 Thread Martin Maechler
> Durga Prasad G me14d059 > on Wed, 16 Aug 2023 13:36:10 +0530 writes: > Dear Martin, I am getting different responses from different officials of > R-Software, well, well, .. Here on R-devel, we got two messages in addition to mine, none by any "official" (even though John

Re: [Rd] Heads up about documentation-related reports

2023-08-16 Thread Martin Maechler
> Elio Campitelli > on Mon, 14 Aug 2023 17:42:42 -0300 writes: > For the upcoming R Sprint I'm proposing a project to improve documentation > . That's good, thank you. However, do concentrate o

Re: [Rd] R-4.3 version list.files function could not work correctly in chinese

2023-08-16 Thread Tomas Kalibera
On 8/15/23 16:00, Tomas Kalibera wrote: On 8/15/23 09:04, Ivan Krylov wrote: В Tue, 15 Aug 2023 08:38:11 +0200 Tomas Kalibera пишет: As this was reported to be regression in 4.3, it is entirely possible this change came with a regression (though a bit surprising we didn't catch it earlier