||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
y = var('y')   
u = function('u',y)   
sol=desolve(diff(u,y,y) - diff(u,y), [u,y])
print sol
#Here, a PDE is asked to be solved as ODE, treating other variables as parameters
#So, we get the constants 'k1' and 'k2' in the solution as functions of other variables
}}}

/* code_ends */

 * '''Solution by''': 
   * Aashita Kesarwani, Student, IIT Roorkee
   * Snehal Mitragotri, Ex-student, IIT Roorkee
   * Tale PrafullKumar, Student, IIT Roorkee