SERVING THE QUANTITATIVE FINANCE COMMUNITY

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by AlexEro
February 15th, 2018, 9:25 pm
Forum: Trading Forum
Topic: RenTech: using artificial intelligence to morph one trading strategy into another?
Replies: 104
Views: 39204

Re: RenTech: using artificial intelligence to morph one trading strategy into another?

People use recipe books. This is 2nd year undergrad stuff.   Up to about 15 years ago almost all PDE models were in ADI with Crank Nicolson. I introduced ADE, Soviet Spliting and Method of Lines (MOL) here.   It is amazing (till today) that quant finance community is totally unaware of these method...
by AlexEro
February 15th, 2018, 5:25 pm
Forum: Trading Forum
Topic: RenTech: using artificial intelligence to morph one trading strategy into another?
Replies: 104
Views: 39204

Re: RenTech: using artificial intelligence to morph one trading strategy into another?

Due to total absence of interest from community to this matter I have decided to reduce my posts here.
by AlexEro
February 15th, 2018, 11:09 am
Forum: Trading Forum
Topic: RenTech: using artificial intelligence to morph one trading strategy into another?
Replies: 104
Views: 39204

Re: RenTech: using artificial intelligence to morph one trading strategy into another?

Preface: in most cases of modelling or prediction the unknown function to be modelled is represented in a model as a linear combination of several stencil functions. This is a case since Newton times and was solved by Least Squres Method by mathematicians like Karl Gauss. In most cases the number of...
by AlexEro
February 13th, 2018, 8:21 am
Forum: Off Topic
Topic: Stop the doggists' madness.
Replies: 164
Views: 11302

Re: Stop the doggists' madness.

"Old school" Hollywood did not expose dogs in movies and movie's posters. That became the tendency of recent 20 years. Question: How many movies are there about the composer Beethoven? Answer: 3 (three). Q: How many movies are there about dog "Beethoven"? A: 8 (eight). If you take a closer look at l...
by AlexEro
February 13th, 2018, 6:31 am
Forum: Off Topic
Topic: Health hazard of digital sound
Replies: 84
Views: 6473

Re: Health hazard of digital sound

Besides, russian singer Janna Friske was a doggist too.
But God has no mercy to digital sound contributors, especially if they also are doggists.
Here her normal photo from the past, compare with above photo:
Friske-a85.png
by AlexEro
February 13th, 2018, 6:23 am
Forum: Off Topic
Topic: Health hazard of digital sound
Replies: 84
Views: 6473

Re: Health hazard of digital sound

In addition of bad karma of digital sound, Anna Netrebko was a doggist.
In 2008 she gave birth to a son.
Later they have found that he is an autist.
Anna-son.jpg
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by AlexEro
February 13th, 2018, 6:18 am
Forum: Off Topic
Topic: Health hazard of digital sound
Replies: 84
Views: 6473

Re: Health hazard of digital sound

Anna Netrebko in 2017:
Anna-Now-2.jpg
by AlexEro
February 13th, 2018, 6:17 am
Forum: Off Topic
Topic: Health hazard of digital sound
Replies: 84
Views: 6473

Re: Health hazard of digital sound

I wrote a letter about the hazard of digital sound to Anna Netrebko around 2010. She ignored it.
Anna Netrebko in 2007:
Anna-Baden-2007.jpg
by AlexEro
February 13th, 2018, 6:08 am
Forum: Off Topic
Topic: Health hazard of digital sound
Replies: 84
Views: 6473

Re: Health hazard of digital sound

Russian singer Janna Friske before the death:
Friske-1287000.jpg
by AlexEro
February 13th, 2018, 6:07 am
Forum: Off Topic
Topic: Health hazard of digital sound
Replies: 84
Views: 6473

Re: Health hazard of digital sound

The contribution into digital sound KILLS modern talented singers and musicians. They dont get satisfaction from the sound and then are going onto the drugs runaway. "Dmitri Hvorostovsky died on 22 November 2017 in London after a two-and-a-half-year battle with brain cancer. [13] A service was held ...
by AlexEro
February 13th, 2018, 5:54 am
Forum: Off Topic
Topic: no fat chicks
Replies: 654
Views: 40055

Re: no fat chicks

The recipe against fat is very simple: follow the Bible commandments and DO NOT EAT PORK. We, in the family do not eat pork for 12+ years (and also are keeping saturday in addition to usual christianic commandments). Here is my wife in 2017. She is 44 now: IMG_20170704_120144.jpg East Baltid with s...
by AlexEro
February 13th, 2018, 5:45 am
Forum: Off Topic
Topic: no fat chicks
Replies: 654
Views: 40055

Re: no fat chicks

The recipe against fat is very simple: follow the Bible commandments and DO NOT EAT PORK. We, in the family do not eat pork for 12+ years (and also are keeping saturday in addition to usual christianic commandments). Here is my wife in 2017. She is 44 now: IMG_20170704_120144.jpg East Baltid with s...
by AlexEro
February 12th, 2018, 2:39 pm
Forum: Off Topic
Topic: Melodic Metal
Replies: 481
Views: 66528

Re: Melodic Metal

I was a DJ for many years. In my opininion the "melodic metal" is an oxymoron. But (as usual in this world) there are a couple exceptions, such as Ingve Malmsteen, already quoted here by Tagoma.
Another one is Deep Purple playing Ninth by Beethoven. This part is something :
by AlexEro
February 12th, 2018, 2:23 pm
Forum: Off Topic
Topic: no fat chicks
Replies: 654
Views: 40055

Re: no fat chicks

The recipe against fat is very simple: follow the Bible commandments and DO NOT EAT PORK.
We, in the family do not eat pork for 12+ years (and also are keeping saturday in addition to usual christianic commandments).
Here is my wife in 2017. She is 44 now:
by AlexEro
February 12th, 2018, 2:05 pm
Forum: Off Topic
Topic: Health hazard of digital sound
Replies: 84
Views: 6473

Re: Health hazard of digital sound

Add here the distortion of main pitch in recent 60 years. Pitch was shifted from 432 Hz to 440 Hz. The main contributor to this = BBC and ISO in Rome.
You can hear the difference: Also:
https://www.youtube.com/results?search_ ... +vs+432+hz
GZIP: On