Fractional Calculus

Why do we need it?

http://mathhandbook.com/

gyansorova@gmail.com wrote:

> Why do we need it?
>
> http://mathhandbook.com/

What's this "we" business?

-- 
Rob Gaddi, Highland Technology -- www.highlandtechnology.com

Email address domain is currently out of order.  See above to fix.

If you want to filter white noise to make pink noise then you need a "half-integrator". 

Bob

On Saturday, April 2, 2016 at 9:25:52 AM UTC+13, Rob Gaddi wrote:
> gyansorova@gmail.com wrote:
> 
> > Why do we need it?
> >
> > http://mathhandbook.com/
> 
> What's this "we" business?
> 
> -- 
> Rob Gaddi, Highland Technology -- www.highlandtechnology.com
> 
> Email address domain is currently out of order.  See above to fix.

It's English, sorry if it is not your first language.

On Fri, 1 Apr 2016 20:35:19 -0700 (PDT), gyansorova@gmail.com wrote:

>On Saturday, April 2, 2016 at 9:25:52 AM UTC+13, Rob Gaddi wrote:
>> gyansorova@gmail.com wrote:
>> 
>> > Why do we need it?
>> >
>> > http://mathhandbook.com/
>> 
>> What's this "we" business?
>> 
>> -- 
>> Rob Gaddi, Highland Technology -- www.highlandtechnology.com
>> 
>> Email address domain is currently out of order.  See above to fix.
>
>It's English, sorry if it is not your first language.

Was joke.




---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus

>On Fri, 1 Apr 2016 20:35:19 -0700 (PDT), gyansorova@gmail.com wrote:
>
[...snip...]
>>
>>It's English, sorry if it is not your first language.
>
>Was joke.
>
>
>
>
>---
>This email has been checked for viruses by Avast antivirus software.
>https://www.avast.com/antivirus

Why do we need jokes?

(Note the original post was on April Fool's day, although the site that is
linked to is clearly serious.)

Perhaps better sites:

https://en.wikipedia.org/wiki/Fractional_calculus

http://www.mathpages.com/home/kmath616/kmath616.htm

Oops, meant to ask "Why are jokes needed?"

Ced
---------------------------------------
Posted through http://www.DSPRelated.com

On Sunday, April 3, 2016 at 1:34:43 PM UTC+12, Cedron wrote:
> >On Fri, 1 Apr 2016 20:35:19 -0700 (PDT), gyansorova@gmail.com wrote:
> >
> [...snip...]
> >>
> >>It's English, sorry if it is not your first language.
> >
> >Was joke.
> >
> >
> >
> >
> >---
> >This email has been checked for viruses by Avast antivirus software.
> >https://www.avast.com/antivirus
> 
> Why do we need jokes?
> 
> (Note the original post was on April Fool's day, although the site that is
> linked to is clearly serious.)
> 
> Perhaps better sites:
> 
> https://en.wikipedia.org/wiki/Fractional_calculus
> 
> http://www.mathpages.com/home/kmath616/kmath616.htm
> 
> Oops, meant to ask "Why are jokes needed?"
> 
> Ced
> ---------------------------------------
> Posted through http://www.DSPRelated.com

I saw the wiki site and it's not bad, but it doesn't mention any engineering applications. What would the z-transform be of a half-integrator? I presume z/(z-1) ^0.5, but how does that become a difference equation.

On Friday, April 1, 2016 at 9:07:48 PM UTC-4, radam...@gmail.com wrote:
> If you want to filter white noise to make pink noise then you need a "half-integrator". 
> 
> Bob

i can make a pretty good half-integrator outa 3 poles and 3 zeros.

On Sunday, April 3, 2016 at 1:32:17 PM UTC-4, gyans...@gmail.com wrote:
> On Sunday, April 3, 2016 at 1:34:43 PM UTC+12, Cedron wrote:
> > >On Fri, 1 Apr 2016 20:35:19 -0700 (PDT), gyansorova@gmail.com wrote:
> > >
> > [...snip...]
> > >>
> > >>It's English, sorry if it is not your first language.
> > >
> > >Was joke.
> > >
> > >
> > >
> > >
> > >---
> > >This email has been checked for viruses by Avast antivirus software.
> > >https://www.avast.com/antivirus
> > 
> > Why do we need jokes?
> > 
> > (Note the original post was on April Fool's day, although the site that is
> > linked to is clearly serious.)
> > 
> > Perhaps better sites:
> > 
> > https://en.wikipedia.org/wiki/Fractional_calculus
> > 
> > http://www.mathpages.com/home/kmath616/kmath616.htm
> > 
> > Oops, meant to ask "Why are jokes needed?"
> > 
> > Ced
> > ---------------------------------------
> > Posted through http://www.DSPRelated.com
> 
> I saw the wiki site and it's not bad, but it doesn't mention any engineering applications. What would the z-transform be of a half-integrator? I presume z/(z-1) ^0.5, but how does that become a difference equation.

well, maybe you can do a 1/2 sample delay and make a difference equation.

r b-j

In a pinch you can make a half-integrator with a full integrator and a hammer. 

Bob