Book
Getting started with MATLAB
Author
Rudra Pratap
Edition
sage: var('y') sage: plot3d(cos(x)*cos(y)*exp((-sqrt(x**2+y**2))/4),(x,-5,5),(y,-5,5),mesh=True)
Solution by:
<ANIL NAIR>, <STUDENT>, <CHENNAI MATHEMATICAL INSTITUTE>
<Your Name>, <Profession>, <Organization>