Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
norma {(0,0.2,0.3),(0.3,0,0.3),(0.1,0.2,0)}
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random