Wednesday, May 18, 2016

The Only Consistent Period for Gadbury's 1672 Sun Positions

  The estimated period for Gadbury's 1672 Sun positions was based on an assumed value for the sinusoidal terms. A plot of the estimated value as a function of the initial assumption (magenta curve) shows that there is only one consistent value for the period.

The cobweb in the plot above show that the approach to the limiting value is quite rapid.

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