Question 897745
{{{A=(matrix(4,4,1,1,1,0,
                 0,1,1,1,
                 1,0,1,1,
                 1,1,0,1))}}}
{{{abs(A)=3}}}
.
.
.

{{{A[x]=(matrix(4,4,6,1,1,0,
                 7,1,1,1,
                 8,0,1,1,
                 9,1,0,1))}}}
{{{abs(A[x])=9}}}
.
.
.
{{{A[y]=(matrix(4,4,1,6,1,0,
                 0,7,1,1,
                 1,8,1,1,
                 1,9,0,1))}}}
{{{abs(A[y])=6}}}
.
.
.
{{{A[z]=(matrix(4,4,1,1,6,0,
                 0,1,7,1,
                 1,0,8,1,
                 1,1,9,1))}}}
{{{abs(A[z])=3}}}
.
.
.
{{{A[w]=(matrix(4,4,1,1,1,6,
                 0,1,1,7,
                 1,0,1,8,
                 1,1,0,9))}}}
{{{abs(A[w])=12}}}
.
.
.
{{{x=abs(A[x])/abs(A)=9/3=3}}}
.
.
.
{{{y=abs(A[y])/abs(A)=6/3=2}}}
.
.
.
{{{z=abs(A[z])/abs(A)=3/3=1}}}
.
.
.
{{{w=abs(A[w])/abs(A)=12/3=4}}}
.
.
.