Hi,

in section 6.5.4.1. the evaluate keyword is described an it says about the
three parameters:

P0: the minimum max_gradient in the estimation process,
P1: an over-estimated max_gradient value, (1 or greater)
P2: an attenuation parameter (1 or less).

Later on, the text suggests evaluate 5, 1.2, 0.95 as a start. That is: 5
(higher than 1.2) is the minimum max_gradient used, 1.2 (lower than 5) is an
over-estimated max_gradient.
Does this make any sense? Which is wrong, the suggestion for the
start-values, or the description of the parameters?

I searched p.b-t but couldn't find anything that would spread some light on
this.

Thanks in advance,

Marc-Hendrik

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