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