Pade fit is one of the better tools Sent from my iPhone
> On Dec 26, 2018, at 10:53 AM, Tim Shoppa <[email protected]> wrote: > > I know we discussed this many years ago, probably in context of the HP > Smartclock patent, but I've forgotten all the details. > > Say I have a circular buffer of up to several dozen time and offset values. > The intent was to sample at regular intervals but some samples are missing. > Are there simple microcontroller-oriented algorithms - integer math, no big > scratch arrays - for doing linear or quadractic fits and maybe even > excluding some outliers? > > Instead of using arrays for circular buffers, if there are algorithms that > "age out" the older samples so that they get lesser and lesser weight, and > also give linear and/or quadractic fit coefficients, that's even neater. > For example exponential smoothing. > > Tim N3QE > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
