Daniel R Hicks
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 Feb3 asked Sum of averages vs average of sums Oct15 accepted How to scale data for a log graph Oct13 answered How to scale data for a log graph Oct13 revised How to scale data for a log graph added 132 characters in body Oct13 comment How to scale data for a log graph That's going the wrong way. Oct13 revised How to scale data for a log graph added 28 characters in body Oct13 revised How to scale data for a log graph added 378 characters in body Oct13 revised How to scale data for a log graph added 378 characters in body Oct13 revised How to scale data for a log graph added 65 characters in body Oct13 asked How to scale data for a log graph Oct1 comment what does $-2^2$ evaluate to? Actually, the C-based languages do not have an exponentiation operator, but use functions instead, so there would be no ambiguity. Fortran uses ** but it places that ahead of negation in precedence, and I would imagine that other languages styled after Fortran use the same precedence. Sep25 comment Really simple question about sine wave equation with $\pi$ Yep, assuming t is seconds, this is an equation for a sinusoidal waveform of 150Hz. Sep15 revised Does using an ellipse as a template still produce an ellipse? added 2 characters in body Sep15 comment Does using an ellipse as a template still produce an ellipse? @J.M -- I can't believe that I screwed up the title that badly!! I generally check spelling/wording over pretty closely, but after fixing the second "elipse" => "ellipse" I didn't look for the first, and the extra "d" must have fallen from the sky. Sep15 accepted Does using an ellipse as a template still produce an ellipse? Sep15 comment Does using an ellipse as a template still produce an ellipse? OK, thanks. I suspected as much, but my math is weak enough that I wasn't sure. And your diagram very nicely illustrates how it breaks down. Sep15 comment Does using an ellipse as a template still produce an ellipse? @J.M. -- Yep, essentially that kind of router. A collar would be fastened either to the base or to the shaft of the bit to hold the bit a fixed distance from the template edge. Sep15 asked Does using an ellipse as a template still produce an ellipse? Sep9 comment Is there at least one irrational number with the property that it cannot be defined by a finite string of information? (Got to thinking about it and realized my second statement above was wrong, in the most general sense. With a circular number line (what's the technical term?) you could have a finite number of orderable numbers and still not be able to identify one of them.) Sep8 comment Is there at least one irrational number with the property that it cannot be defined by a finite string of information? I would observe that if there is such a number there's got to be more than one. And, if a finite number, they must somehow be unorderable (if that makes any sense at all).