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From: Victor Porton on 30 Mar 2010 19:23
Let f_1, ..., f_n are functions.

Let f(x) = (f_1(x), ..., f_n(x)).

How we may denote f?

I mean something similar to

f = f_1 x ... x f_n

What sign should be in the place of "x"? Are there any standard
notation for this?
From: DRoyer on 30 Mar 2010 20:13
* Victor Porton wrote, On 31.03.2010 01:23:
> Let f_1, ..., f_n are functions.
>
> Let f(x) = (f_1(x), ..., f_n(x)).
>
> How we may denote f?
>
> I mean something similar to
>
> f = f_1 x ... x f_n
>
> What sign should be in the place of "x"? Are there any standard
> notation for this?
How about (f_1, f_2, ..., f_n) ?


Daniel
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