||'''Book'''|| Getting started with MATLAB ||
 ||'''Author'''|| Rudra Pratap ||
 ||'''Edition'''||  ||

/* code_begins */

{{{
(1+3*i)/(1-3*i)
exp(i*pi/4)
exp(pi/2*i)
complex(exp(pi/2*i))
}}}

/* code_ends */

 * '''Solution by''': 
   * shivashankar.v, student,  vignan college