<< isnumeric types module issingle >>

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


Version Description
1.0.0 initial version

Author


Allan CORNET

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