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.
Projection of (3, 5) onto (1, 1)
Projection of (3, 5) onto (1, 1)
Natural Language
Math Input
Extended Keyboard