# 5.3: Logical Functions

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Command Effect

any

True if any elements are nonzero.

all

True if all elements are nonzero.

find

Finds indices of nonzero elements.

finite

True if elements are finite.

isnan

True if elements are undefined.

isinf

True if elements are infinite.

isempty

True if matrix is empty.

isreal

True if all elements are real.

5.3: Logical Functions is shared under a CC BY 1.3 license and was authored, remixed, and/or curated by Brian Vick, Virginia Tech.