# Matrix Norms questionWatch

Announcements
#1
I just had a lecture on matrix norms and other matrix features which i missed on friday. Now trying to attempt the worksheet, i think i've got question i) correct but completely confused by ii).

Can someone confirm whether i've got i) right, and then explain ii)

question :

for the matrix A =

i) find and

ii)For A = . Find such that and

My answers for i) are and
0
6 years ago
#2
(Original post by bijesh12)
...
Not my forte, but as no-one else has replied.

For ii) there is a very easy answer. I'd check the definition of the infinity norm for vectors, as it's somewhat different to that for matrices.
0
#3
(Original post by ghostwalker)
Not my forte, but as no-one else has replied.

For ii) there is a very easy answer. I'd check the definition of the infinity norm for vectors, as it's somewhat different to that for matrices.
for the vector norm
so for the previous question this equals 1, Im assuming x0 is a vector, therefore :

So the largest element in the vector x_0 is 1.

Also
0
6 years ago
#4
(Original post by bijesh12)
...
It's not clear from your post, but I presume you've now solved this, unless you say otherwise.
0
X

new posts
Back
to top
Latest
My Feed

### Oops, nobody has postedin the last few hours.

Why not re-start the conversation?

see more

### See more of what you like onThe Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

### University open days

• University of Bristol
Wed, 23 Oct '19
• University of Exeter
Wed, 23 Oct '19
• University of Nottingham
Wed, 23 Oct '19

### Poll

Join the discussion

Yes I know where I'm applying (158)
59.18%
No I haven't decided yet (63)
23.6%
Yes but I might change my mind (46)
17.23%