Sine is non-linear, but you are right about not needing non-linear functions, as recently proven by Tom VII in a groundbreaking SIGBOVIK paper: http://tom7.org

Sine is non-linear, but you are right about not needing non-linear functions, as recently proven by Tom VII in a groundbreaking SIGBOVIK paper: http://tom7.org/grad/ http://tom7.org/grad/ (Edit: this whole thread feels like a setup for this punchline)