inverse of {{1-0.28,-0.7,-0.02,0,1},{-0.7,1-0.3,0,0,1},{-0.02,0,1-0.18,-0.3,1},{0,0,-0.5,1-0.2,1},{0,0,-0.3,-0.5,1}}

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.