Re: [xsl] Is this the best way to compute a sigmoid function?

["John Lumley john@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

TouchC)... being an engineer, I never benefitted from his lectures

>
> So the reason we calculate to 15 digits is not that we need 15 digits in the
final answer, but rather because the errors accumulate, so if we want 5 digits
in the final answer, we may need 15 digits in the intermediate steps.