|{{-1,-2,-3},{-3,3,-5},{-4,-3,0},{-1,-1,1}}.transpose({{-1,-2,-3},{-3,3,-5},{-4,-3,0},{-1,-1,1}})|

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.