- #1
Tybalt
- 5
- 1
I'm trying to get an intuitive grasp of why an almost imperceptible change in the off-diagonal elements in a complex symmetric matrix causes it to change from being invertible to not being invertible. The diagonal elements are 1, and the sum of abs values of the off-diagonal elements in each row is 1.34 in the invertible case and 1.3778 in the non-invertible case.