R Under development (unstable) (2023-11-07 r85491 ucrt) -- "Unsuffered Consequences"
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> ##
> ##  m l d i v i d e . R  test suite
> ##
> 
> 
> mldivide <- pracma::mldivide
> mrdivide <- pracma::mrdivide
> 
> A <- matrix(c(8,1,6, 3,5,7, 4,9,2), nrow = 3, ncol = 3, byrow = TRUE)
> identical(all.equal(mldivide(A, A), diag(1, 3, 3), tolerance=1e-7), TRUE)
[1] TRUE
> identical(all.equal(mrdivide(A, A), diag(1, 3, 3), tolerance=1e-7), TRUE)
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   0.14    0.03    0.15