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The IsFinite(t,opts) command returns a boolean Tensor indicating which elements of t are finite.

The IsInfinite(t,opts) command returns a boolean Tensor indicating which elements of t are infinite.

The IsNaN(t,opts) command returns a boolean Tensor indicating which elements of t are NaN (not a number).

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

$t≔\mathrm{Constant}\left(⟨⟨1\,Float\left(\mathrm{\infty }\right)⟩|⟨3.\,Float\left(\mathrm{undefined}\right)⟩⟩\right)$

$s≔\mathrm{IsFinite}\left(t\right)$

The DeepLearning/Tensor/IsFinite, DeepLearning/Tensor/IsInfinite and DeepLearning/Tensor/IsNaN commands were introduced in Maple 2018.

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