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@@ -86,6 +86,12 @@ The same logic applies for left-multiplication and cross-products.
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This allows us to easily speed up high-level operations involving matrix multiplication by just switching to a `ScaledMatrix`,
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e.g., in approximate PCA algorithms from the `r Biocpkg("BiocSingular")` package.
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+```{r}
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+library(BiocSingular)
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+set.seed(1000)
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+system.time(pcs <- runSVD(smat, k=10, BSPARAM=IrlbaParam()))
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+```
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+
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# Other utilities
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Row and column sums are special cases of matrix multiplication and can be computed quickly:
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