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The RemoveSingletonDimensions command removes the singleton dimensions from an Array, while preserving the order of the data. A new array is created without any singleton dimensions, and the data is copied over.

All 1-D matrices will be squeezed into column Vectors, regardless of which dimension is singleton.

This function is part of the ArrayTools package, so it can be used in the short form RemoveSingletonDimensions(..) only after executing the command with(ArrayTools). However, it can always be accessed through the long form of the command by using ArrayTools[RemoveSingletonDimensions](..).

$\mathrm{with}\left(\mathrm{ArrayTools}\right)\:$

$A≔\mathrm{Array}\left(1..1\,1..2\,1..1\,1..3\right)$

$A≔\begin{array}{c}\left[\begin{array}{cc}0& 0\end{array}\right]\\ \text{slice of 1 × 2 × 1 × 3 Array}\end{array}$

$B≔\mathrm{RemoveSingletonDimensions}\left(A\right)$

$B≔\left[\begin{array}{ccc}0& 0& 0\\ 0& 0& 0\end{array}\right]$

$\mathrm{rtable\_dims}\left(B\right)$

$1..2,1..3$