Hello everybody!(adsbygoogle = window.adsbygoogle || []).push({});

I'm quite new with Matlab and I'm starting trying some stuff..

well I was trying to input

det(a)

where a=[1,2,3;4,5,6;7,8,9] and this should be zero. And I mean 0.0000

but the result is

6.6613e-16

why?

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Matlab: value non-zero but it should

**Physics Forums | Science Articles, Homework Help, Discussion**