isscalar

Check if the input is a scalar

Syntax

• TF = iscalar(A)

Input argument

• A - input array as a scalar, vector, matrix, or multidimensional array.

Output argument

• TF - a logical: true if it is a scalar.

Description

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

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

See also

isvector.

History

Author

Allan CORNET