Dumb question, but just say you have a Matrix in the form(adsbygoogle = window.adsbygoogle || []).push({});

0 0 0

0 4 0

0 0 5

Is it still considered a diagonal matrix if the (1,1) entry is a 0?

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

Dismiss Notice

Join Physics Forums Today!

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

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

# Diagonal of a Matrix

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