isreal

Return true if all imaginary part is a zero array.

Syntax

• res = isreal(var)

Input argument

• var - a variable

Output argument

• res - a logical: true or false

Description

isreal returns a logical true if var is a non-complex matrix or scalar and a logical false otherwise.

Examples

A = 1 + 0i;
res = isreal(A)

B = uint8(3);
res = isreal(B)

A = single([3, i]);
res = isreal(A)

See also

isa, isint8.

History

Author

Allan CORNET