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

/* code_begins */

{{{
sage:var('y')
sage:plot3d(x^2+y^2-5*sin(x*y),(x,-2,2),(y,-2,2), color='orange', mesh=True)
}}}

/* code_ends */

 * '''Solution by''': 
   * <ANIL NAIR>, <STUDENT>, <CHENNAI MATHEMATICAL INSTITUTE>
   * <Your Name>, <Profession>, <Organization>