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

/* code_begins */

{{{

sage: y=var('y')
sage: plot3d((sin(x)**2+sin(y)**2),(x,-pi/2,pi/2),(y,-pi/2,pi/2),mesh=True)

}}}

/* code_ends */

 * '''Solution by''': 
   * < VINAY >, < STUDENT. >, < Symbiosis,Pune >
   * <Your Name>, <Profession>, <Organization>