4 ms·
"look it's just autocorrelation but upside down and backwards" is ... closer to true than it really ought to be.
by hprotagonist 6y ago
"look it's just autocorrelation but upside down and backwards" is ... closer to true than it really ought to be.
- adamnemecek 6y agoThey are adjoints. http://www.reproducibility.org/RSF/book/gee/ajt/paper_html/index.html http://www.reproducibility.org/RSF/book/gee/ajt/paper_html/i... I have written something on adjoints, they are literally everywhere https://github.com/adamnemecek/adjoint https://github.com/adamnemecek/adjoint
- bonoboTP 6y agoAnd you flip it to get nice properties like commutativity and associativity which correlation doesn't have (it almost has them, just that small flip is missing).