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

PreviousisobjectNextissingle

Last updated