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isscalar

Determine whether input is scalar

Syntax

isscalar(A)

Description

isscalar(A) returns logical 1 (true) if size(A) returns [1 1], and logical 0 (false) otherwise.

Examples

Test matrix A and one element of the matrix:

A = rand(5);

isscalar(A)
ans =
     0

isscalar(A(3,2))
ans =
     1

More About

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Tall Array Support

This function fully supports tall arrays. For more information, see Tall Arrays.

Introduced before R2006a

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