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Elementary functions

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isscalar

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Check if the input is a scalar

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Syntax

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TF = iscalar(A)

Input argument

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A

input array as a scalar, vector, matrix, or multidimensional array.

Output argument

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TF

a logical: true if it is a scalar.

Description

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TF = isscalar(A) returns logical true if A is a scalar, meaning it is a 1-by-1 two-dimensional array.

Otherwise, it returns logical false.

Example

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x = [1+i, -i ; i, 2i];
isscalar(x)
isscalar(1)

See also

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isvector.

History

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Version	Description
1.10.0	initial version

Author

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Allan CORNET