Il Wed, 16 Jun 2021 11:37:42 +1200, Greg Ewing ha scritto:
> On 15/06/21 10:07 pm, Elena wrote:
>> After the optimization, I will use f just to predict new Xi.
>
> So you're going to use f backwards?
>
> I don't see how that will work. Where are you going to f
Il Tue, 15 Jun 2021 01:53:09 +, Martin Di Paola ha scritto:
> From what I'm understanding it is an "optimization problem" like the
> ones that you find in "linear programming".
>
> But in your case the variables are not Real (they are Integers) and the
> function to minimize g() is not linear
Il Tue, 15 Jun 2021 10:40:05 +1200, Greg Ewing ha scritto:
> On 15/06/21 12:51 am, Elena wrote:
> Hmmm, so the problem breaks down into two parts:
> (1) find a vector Y that minimises g (2) find a set of rules that will
> allow you to predict each component of Y from its correspond
Il Mon, 14 Jun 2021 19:39:17 +1200, Greg Ewing ha scritto:
> On 14/06/21 4:15 am, Elena wrote:
>> Given a dataset of X={(x1... x10)} I can calculate Y=f(X) where f is
>> this rule-based function.
>>
>> I know an operator g that can calculate a real value from Y: e =
Hi, I have, say 10 variables (x1 ... x10) which can assume discrete finite
values, for instance [0,1 or 2].
I need to build a set of rules, such as:
1) if x1==0 and x2==1 and x10==2 then y = 1
2) if x2==1 and x3==1 and x4==2 and x6==0 then y = 0
3) if x2==0 and x3==1 then y = 2
4) if x6==0 and x7
On 13 Giu, 11:22, Chris Angelico wrote:
> On Mon, Jun 13, 2011 at 6:42 PM, Yang Ha Nguyen wrote:
>
> > Could you show which studies? Do they do research just about habit or
> > other elements (e.g. movement rates, comfortablility, ...) as well?
> > Have they ever heard of RSI because of repetiti
On 13 Giu, 15:19, Steven D'Aprano wrote:
> On Mon, 13 Jun 2011 00:21:53 -0700, Elena wrote:
> > On 13 Giu, 06:30, Tim Roberts wrote:
> >> Studies have shown that even a
> >> strictly alphabetical layout works perfectly well, once the typist is
> >> accl
On 13 Giu, 06:30, Tim Roberts wrote:
> Studies have shown that even a
> strictly alphabetical layout works perfectly well, once the typist is
> acclimated.
Once the user is acclimated to move her hands much more (about 40%
more for Qwerty versus Dvorak), that is.
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On Oct 13, 9:09 pm, namekuseijin wrote:
> On 11 out, 08:49, Oleg Parashchenko wrote:
>
>
>
> > Hello,
>
> > I'd like to try the idea that Scheme can be considered as a new
> > portable assembler. We could code something in Scheme and then compile
> > it to PHP or Python or Java or whatever.
>
>
On 11 Giu, 20:03, Chris Hulan wrote:
> Haven't used it but Racket (http://racket-lang.org/) looks to be a new
> and improved Scheme
I have checked it out and I don't recommend it to others.
Racket is not Scheme anymore (it can't use SLIB, which relies on
common Scheme facilities). Racket is a la
On 10 Giu, 23:33, bolega wrote:
> I mean ordinary people, who may want to do things with their computers
> for scripting, tasks that python can do...
Lisp is not for ordinary people, Python is.
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On Jul 19, 7:33 pm, fft1976 wrote:
> How do you explain that something as inferior as Python beat Lisp in
> the market place despite starting 40 years later.
To be mainstream a language has to fit in most programmers' minds.
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nd was not
developed specifically for programmers. I will be very careful. But I
will be using it to compare groups of progammers, so the results should
have some value.
I know I promised not to discuss, but I couldn't resist. I like
discussing our culture.
Elena
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it with found it to be pretty interesting.
I can go to my friends, however it occurred to me that it might be
better to post in a newsgroup and get a larger, more diverse, and
random sample.
Thanks again for your time,
Elena
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