isempty

Return true if variable var is an empty matrix.

📝 Syntax

• res = isempty(var)

📥 Input argument

• var - a variable

📤 Output argument

• res - a logical: true or false

📄 Description

isempty returns a logical true if the argument is an empty matrix.

Any one of its dimensions is zero.

💡 Examples

A = rand(3, 3, 3);
res = isempty(A)
A(:, :, :) = [];
res = isempty(A)

B = {};
res = isempty(B)
C = struct()
res = isempty(C)
C = struct([])
res = isempty(C)

🔗 See also

class, isstruct.

🕔 History

Version	📄 Description
1.0.0	initial version