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.
plot z=min(max(|x-1|,|y-1|)+max(|x-2|,|y-3|),3) where -1<x<4,0<y<4
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random