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2024 Feb 29
2
[External] converting MATLAB -> R | element-wise operation
I decided to do a direct comparison of transpose and sweep.
library(microbenchmark)
NN <- matrix(c(1, 2, 3, 4, 5, 6), nrow = 2, byrow = TRUE) # Example matrix
lambda <- c(2, 3, 4) # Example vector
colNN <- t(NN)
microbenchmark(
sweep = sweep(NN, 2, lambda, "/"),
transpose = t(t(NN)/lambda),
colNN = colNN/lambda
)
Unit: nanoseconds
expr min lq