Monday, February 20, 2012

How to invert a 2x2 matrix, the easy way

2 comments:

Arelcao Akleos said...

Gonna show my kids this easy way. I'm sure they're tired of having to do it the ol' fashion' non-"pure thought" way.

Tecumseh said...

Switch diagonal, bait anti-diagonal, divide by det? Hmmm... Sounds too low-level.