||'''Book'''|| Linear Algebra ||
 ||'''Author'''|| Gilbert Strang ||
 ||'''Edition'''||  ||

/* code_begins */

{{{ 
A=([[0,2],[3,4]])
Z=matrix(2,2)
var('x,y')
L=matrix([[1,0],[x,1]])
U=matrix([[1,y],[0,1]])
Z=L*U
for i in range(2):
    for j in range (2):
        Z[i][j]==A[i][j]
f = function('f', x)
f = L
print f(3)
g=function('g',y)
g=U
print g(2)
R=f(3)*g(2)
print R
bool(R==A)
}}}

/* code_ends */

 * '''Solution by''': 
   *  guna,student,snist
   *sadhana,student,snist
   * sai kumar,student,mriet