0
$\begingroup$

det,trace,eigenvector/value,LU,QR,SVD,etc....

For example, det may be somewhat preserved under rotation.

And eigen decomposition can be used for image compression.

$\endgroup$

closed as too broad by Marcus Müller, lennon310, MBaz, jojek Feb 12 at 9:02

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

  • $\begingroup$ haven’t you answered your own question by providing 2 examples? $\endgroup$ – Stanley Pawlukiewicz Feb 11 at 12:54

Browse other questions tagged or ask your own question.