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Composite Functions Symbol?
I need to know what those 3 dots are
http://i50.tinypic.com/2q3uof8.jpg
I dont understand the term
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Thread: Composite Functions Symbol?
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- 22 Feb. 2010 11:15pm #1
Composite Functions Symbol? Signature By Eternal Darkness
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- 22 Feb. 2010 11:16pm #2
- 22 Feb. 2010 11:20pm #3
The three dots mean therefore.
- 22 Feb. 2010 11:38pm #4
The composite function symbol is the o in between dg and f. It's actually in the incorrect spot there, but I guess that's an alternative writing.
It's usually seen like this:
(f o g)(x)
The o stands for "of."
(f o g)(x) = f of g of x = f of g(x) = f(g(x))
Although I can't tell if that image is saying that d is a function or a symbol denoting something else.
I assumed it meant: d of g of f = d(g(f)).
But maybe it stands for derivative?
d modifying g(f(x)) where x is implied in that writing.
The image is pretty vague.
And yes, the three dots means therefore.
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