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.
Jordan decomposition { {-2,-1,1,2},{1,-4,1,2},{0,0,-5,4},{0,0,-1,-1} }
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random