(A random question—what can be said about the behaviour of a function like y=cos(y1), where y1=cos(y2), …? Sorry for spam, too much work makes me wonder more and think less.)
(It is, of course, unimportant, but I think I know what I was thinking about—continued fractions, and what do people even do when the fraction has functions, not numbers, for terms.)
(A random question—what can be said about the behaviour of a function like y=cos(y1), where y1=cos(y2), …? Sorry for spam, too much work makes me wonder more and think less.)
https://en.wikipedia.org/wiki/Fixed_point_(mathematics) search for cosine.
(It is, of course, unimportant, but I think I know what I was thinking about—continued fractions, and what do people even do when the fraction has functions, not numbers, for terms.)
Thank you. We definitely had to learn about attractors in college, this is familiar...