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

/* code_begins */

{{{
// To determinethe echlon form
m=matrix([[2,5,7],[-5,7,2],[1,22,23]])
c=matrix([[25],[-4],[71]])

m
    	
[ 2  5  7] //output
[-5  7  2]
[ 1 22 23]

c

[25] //output
[-4]
[71]

r=m.augment(c)

r

[ 2  5  7 25]
[-5  7  2 -4]
[ 1 22 23 71] //output

w=r.echelon_form()
w[0]
(1, 22, 23, 71) //output


w   	

[  1  22  23  71] //output
[  0  39  39 117]
[  0   0   0   0]


}}}


/* code_ends */

 * '''Solution by''': 
   * Koumudi, Student, SNIST