I doubt that R's basic matrix capabilities can handle this, but have a look
at the Matrix package, especially if your matrix is some special form.

Bert

On Tue, Apr 11, 2023, 19:21 Shunran Zhang <szh...@ngs.gen-info.osaka-u.ac.jp>
wrote:

> Hi all,
>
> I am currently working with a quite large matrix that takes 300G of
> memory. My computer only has 512G of memory. I would need to do a few
> arithmetic on it with a scalar value. My current code looks like this:
>
> mat <- 100 - mat
>
> However such code quickly uses up all of the remaining memory and got
> the R script killed by OOM killer.
>
> Are there any more memory-efficient way of doing such operation?
>
> Thanks,
>
> S. Zhang
>
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>
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