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b.
Given the vector
b
=
3
4
5
The sum of elements in the column:
3+4+5=12
so

b

1
=12
The
∞
norm (row sum): The sum of elements in each row is 3,4,5, so

b

∞
=5
The 2norm is given by

b

2
=
√
9+16+25=
√
50 = 5
√
2
c.
here the matrix is
not
symmetric
A
=
16
73
!
The sum of elements in each column:
1+7=8
6+3=9
The maximum is 9, so

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This note was uploaded on 12/22/2011 for the course MAP 2302 taught by Professor Bell,d during the Fall '08 term at UNF.
 Fall '08
 BELL,D

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