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The Diagonal(x,opts) command returns a diagonal Tensor with a given diagonal values.

Given a diagonal x, this operation returns a Tensor with the diagonal and everything else padded with zeros.

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

$V≔⟨-35.0\,65.0\,41.0⟩$

$V≔\left[\begin{array}{c}\mathrm{-35.0}\\ 65.0\\ 41.0\end{array}\right]$

$t≔\mathrm{Constant}\left(V\right)$

$t≔\left[\begin{array}{c}\mathrm{DeepLearning\; Tensor}\\ \mathrm{Shape:\; [3]}\\ \mathrm{Data\; Type:\; float[8]}\end{array}\right]$

$\mathrm{Diagonal}\left(t\right)$

$\left[\begin{array}{c}\mathrm{DeepLearning\; Tensor}\\ \mathrm{Shape:\; [3,\; 3]}\\ \mathrm{Data\; Type:\; float[8]}\end{array}\right]$

The DeepLearning,Tensor,Diagonal command was introduced in Maple 2018.

For more information on Maple 2018 changes, see Updates in Maple 2018.