R Under development (unstable) (2026-02-18 r89435 ucrt) -- "Unsuffered Consequences"
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> require(xtable)
Loading required package: xtable
> V <- matrix(c(1.140380e-03,  3.010497e-05,  7.334879e-05,
+               3.010497e-05,  3.320683e-04, -5.284854e-05,
+               7.334879e-05, -5.284854e-05,  3.520928e-04), nrow = 3)
> ### Simple test of print.xtableMatharray
> print.xtableMatharray(xtable(V, display = rep("E", 4)))
\begin{array}{rrr}
  1.14E-03 & 3.01E-05 & 7.33E-05 \\ 
  3.01E-05 & 3.32E-04 & -5.28E-05 \\ 
  7.33E-05 & -5.28E-05 & 3.52E-04 \\ 
  \end{array}
> 
> class(V) <- c("xtableMatharray")
> class(V)
[1] "xtableMatharray"
> 
> ### Test without any additional arguments
> mth <- xtableMatharray(V)
> str(mth)
Classes 'xtableMatharray', 'xtable' and 'data.frame':	3 obs. of  3 variables:
 $ 1: num  1.14e-03 3.01e-05 7.33e-05
 $ 2: num  3.01e-05 3.32e-04 -5.28e-05
 $ 3: num  7.33e-05 -5.28e-05 3.52e-04
 - attr(*, "align")= chr [1:4] "r" "r" "r" "r"
 - attr(*, "digits")= num [1:4] 0 2 2 2
 - attr(*, "display")= chr [1:4] "s" "f" "f" "f"
> print(mth)
\begin{array}{rrr}
  0.00 & 0.00 & 0.00 \\ 
  0.00 & 0.00 & -0.00 \\ 
  0.00 & -0.00 & 0.00 \\ 
  \end{array}
> 
> ### Test with arguments to xtable
> mth <- xtableMatharray(V, display = rep("E", 4))
> str(mth)
Classes 'xtableMatharray', 'xtable' and 'data.frame':	3 obs. of  3 variables:
 $ 1: num  1.14e-03 3.01e-05 7.33e-05
 $ 2: num  3.01e-05 3.32e-04 -5.28e-05
 $ 3: num  7.33e-05 -5.28e-05 3.52e-04
 - attr(*, "align")= chr [1:4] "r" "r" "r" "r"
 - attr(*, "digits")= num [1:4] 0 2 2 2
 - attr(*, "display")= chr [1:4] "E" "E" "E" "E"
> print(mth)
\begin{array}{rrr}
  1.14E-03 & 3.01E-05 & 7.33E-05 \\ 
  3.01E-05 & 3.32E-04 & -5.28E-05 \\ 
  7.33E-05 & -5.28E-05 & 3.52E-04 \\ 
  \end{array}
> 
> mth <- xtableMatharray(V, digits = 6)
> str(mth)
Classes 'xtableMatharray', 'xtable' and 'data.frame':	3 obs. of  3 variables:
 $ 1: num  1.14e-03 3.01e-05 7.33e-05
 $ 2: num  3.01e-05 3.32e-04 -5.28e-05
 $ 3: num  7.33e-05 -5.28e-05 3.52e-04
 - attr(*, "align")= chr [1:4] "r" "r" "r" "r"
 - attr(*, "digits")= num [1:4] 6 6 6 6
 - attr(*, "display")= chr [1:4] "s" "f" "f" "f"
> print(mth)
\begin{array}{rrr}
  0.001140 & 0.000030 & 0.000073 \\ 
  0.000030 & 0.000332 & -0.000053 \\ 
  0.000073 & -0.000053 & 0.000352 \\ 
  \end{array}
> 
> ### Test with additional print.xtableMatharray arguments
> mth <- xtableMatharray(V, digits = 6)
> str(mth)
Classes 'xtableMatharray', 'xtable' and 'data.frame':	3 obs. of  3 variables:
 $ 1: num  1.14e-03 3.01e-05 7.33e-05
 $ 2: num  3.01e-05 3.32e-04 -5.28e-05
 $ 3: num  7.33e-05 -5.28e-05 3.52e-04
 - attr(*, "align")= chr [1:4] "r" "r" "r" "r"
 - attr(*, "digits")= num [1:4] 6 6 6 6
 - attr(*, "display")= chr [1:4] "s" "f" "f" "f"
> print(mth, format.args = list(decimal.mark = ","))
\begin{array}{rrr}
  0,001140 & 0,000030 & 0,000073 \\ 
  0,000030 & 0,000332 & -0,000053 \\ 
  0,000073 & -0,000053 & 0,000352 \\ 
  \end{array}
> print(mth, scalebox = 0.5)
\scalebox{0.5}{
\begin{array}{rrr}
  0.001140 & 0.000030 & 0.000073 \\ 
  0.000030 & 0.000332 & -0.000053 \\ 
  0.000073 & -0.000053 & 0.000352 \\ 
  \end{array}
}
> print(mth, comment = TRUE)
% latex table generated in R 4.6.0 by xtable 1.8-8 package
\begin{array}{rrr}
  0.001140 & 0.000030 & 0.000073 \\ 
  0.000030 & 0.000332 & -0.000053 \\ 
  0.000073 & -0.000053 & 0.000352 \\ 
  \end{array}
> print(mth, timestamp = "2000-01-01")
\begin{array}{rrr}
  0.001140 & 0.000030 & 0.000073 \\ 
  0.000030 & 0.000332 & -0.000053 \\ 
  0.000073 & -0.000053 & 0.000352 \\ 
  \end{array}
> print(mth, comment = TRUE, timestamp = "2000-01-01")
% latex table generated in R 4.6.0 by xtable 1.8-8 package
% 2000-01-01
\begin{array}{rrr}
  0.001140 & 0.000030 & 0.000073 \\ 
  0.000030 & 0.000332 & -0.000053 \\ 
  0.000073 & -0.000053 & 0.000352 \\ 
  \end{array}
> 
> 
> 
> 
> 
> 
> proc.time()
   user  system elapsed 
   0.21    0.12    0.32