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

/* code_begins */

{{{
C=matrix([[4,6,2],[6,0,3],[2,3,-1]])
I=identity_matrix(3)
0.5*C*C-C
C*(0.5*C-I)
C-C.transpose()
}}}

/* code_ends */

 * '''Solution by''': 
   * <Sarvani>, <Student>, <SNIST>