arg(Z) is the function returns argument of the complex number Z. but it is showing error while executing arg(1+i) as" Undefined function 'arg' for input arguments of type 'double' ". Can anyone help me?.do u need to convert double to complex?. put u

 arg(1+i)
Undefined function 'arg' for input arguments of type 'double'.

[Anupam Agarwal]

the command is angle(z) but it gives radian value

Answer 1

[Udit Gupta]

No such function as arg. Use angle(1+i)

[Jithus]

Thank u. i used angle() function. but it i sshowing arg function in matlab.

[Udit Gupta]

I see what you mean. I looked it up, it is only for MUPad in the symbolic toolbox. Sorry I don't have that licensed so I did not know.