On Wed, 18 Apr 2012 18:42:23 -0800,

http://www.velocityreviews.com/forums/(E-Mail Removed) (Floyd L.

Davidson) wrote:

>Alfred Molon <(E-Mail Removed)> wrote:

>>In article <(E-Mail Removed)>, Floyd L. Davidson says...

>>> The data points are *calculated*, not guessed at.

>>

>>Sure. And you can also "calculate" where the stock market will be in one

>>month.

>

>That's a bit of abject silliness.

>

>The data points are not projected for some point in the future.

>And there is nothing close to a "guess".

>

>The usual way to to select 2 or more measured values from the

>point surrounding the desired point. From those a gradient is

>established, and the value of the gradient at the desired point

>is calculated. Generally it involves calculation of both

>horizontal and vertical gradients, and hence is obviously rather

>accurate!
But still a guess, albeit an educated guess, because you're not

calculating the true value of the data. You're calculating an estimate

of what the data may be or may not be.

>After all, just look at the results, where images produced by

>Bayer CFA encoded data are typically better than color film was

>ever able to accomplish!
Non sequitur.

Steve