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Jul
19
comment Range of a sum of sine waves
Hi Joriki, thanks for your useful answer. Let's assume that A and C are always both themselves rational, and so therefore my case always falls into the last case you describe. Is there any reason not to simply use Newton's Method on the derivative of the original f(x)? Why go through the transformation if we're ultimately just going to use Newton's Method anyway?
Jul
19
comment Range of a sum of sine waves
Heh, unfortunately I can't make that assumption, as that would just simplify to a single wave with appropriate phase shift.