<< isfinite

Elementary functions

ismatrix >>

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isinf

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Check for Infinity entries.

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Syntax

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tf = isinf(M)

Input argument

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M

a variable

Output argument

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tf

logical: result of 'isinf'.

Description

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isnan returns a logical array which is true where elements of M are Infinity values.

Example

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isnan(pi)
isinf(Inf)
isinf(-Inf)
isinf(int32(3))
X = sparse([1 2 NaN 3 0 Inf 0 4]);
R = isinf(X)

See also

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isnan.

History

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Version	Description
1.0.0	initial version

Author

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Allan CORNET