Recurrent Neural Networks Introduction

Yet more ideas for improving neuroevolution
recurrent neural network

So far I haven’t been very satisfied with the actual performance of Neurogenesis when trying to evolve suitable recurrent neural networks. I suspect part of this is due to the fact that the current version doesn’t discriminate what kind of connections are allowed. Anything goes. You can have recurrent connections from any cell to any other cell including a loop back to the original cell itself. Also, you can have forward connections from the input layer to the output layer skipping the hidden layer of memory blocks.

I have hardly proven that in general this would be a bad idea but I do suspect that in most real world problems it is certainly less than optimal. Thus at least at some point in the future I’m certainly planning to implement a way to limit allowable connection destinations or at least make some destinations less likely than others.

One other thing that might improve performance would be the ability to make previously learned structure more rigid after each successive complexification step. Thus every time the program adds either memory blocks to existing networks (or memory cells to blocks) it would make it less probable that previously learned connections are changed in the next stages of evolution.

Source: kuromakukreations

Subgrouped Real Time Recurrent Learning Neural Networks
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2012-03-24 11:15:27 by cheaters_get_fucked!

Shortly after going public on Friday, shares of BATS were halted, after a series of technical glitches and system errors that affected trading in Apple and other companies. Several hours later, BATS pulled its public offering, a rare move for a company.
The exchange has also been clouded by an ongoing S.E.C. inquiry into its technology systems and trading strategies. BATS disclosed in a February regulatory filing that it had recently received a "written request" from the S.E.C.’s enforcement division, which was seeking documents and information about its ties to "certain market participants." The agency is examining the relationship between the exchange and high-frequency trading firms.

Federal securities regulators are examining whether some sophisticated, rapid-fire...

Online broker service (which is best??)

2006-03-24 19:15:44 by craigborcherding

I'm looking for feedback from anyone who is especially happy (or unhappy) with their online broker service (i.e. e-trade, etc...)
I'm trying to determine what would be best for someone looking to invest approx. $10K and won't be trading everyday (and thus won't use any of the premium heavy trading online platforms).
I'm looking at e-trade, scottrade, and ameriquest and from the looks of it scottrade seems the best by far?
any oppinions or firsthand feedback much appreciated.

Criminal cheaters fuck themselves in the ass!

2012-03-26 12:59:45 by HAHAHAHAHAHAHA!

Serves you right, fuckers!

The initial public offering of a computerized stock exchange turned into a major debacle on Friday as a software glitch sent its shares plunging to a fraction of a cent in a matter of seconds, leading it to scotch the IPO.
On Thursday night, BATS had priced the sale of 6.3 million of its shares at $16 apiece, for a total offering of over $100 million. But when shares started trading on Friday morning on its own exchange, they instantly plunged and trading was halted.
Within nine-tenths of a second from that opening, BATS stock had fallen to about 28 cents, according to Nanex, a stock-market data tracker. Within 1.5 seconds, the price bottomed at...

High frequency cheaters

2012-03-23 10:09:40 by -

Federal securities regulators are examining whether some sophisticated, rapid-fire trading firms have used their close links to computerized stock exchanges to gain an unfair advantage over other investors, people familiar with the matter say.
The wide-ranging probe, being handled by the enforcement staff of the Securities and Exchange Commission, is focusing on the computer-driven trading platforms of exchanges, including BATS Global Markets Inc., the people said.
The SEC probe illustrates a bigger push by regulators to examine less-transparent parts of the securities markets, such as the fast-growing area of so-called high-frequency trading. High-speed trading firms use powerful computer systems for rapid-fire trades, in which they often hold stocks for only fractions of...

The SEC already has determined

2009-07-07 07:38:18 by Lapis_Philosophus

That they will do nothing about automated trading platforms. They have no interest in regulating them whatsoever
The Securities and Exchange Commission believes institutional money managers are “sophisticated” enough to trade against the machines without further regulation.
“We don’t want to curtail liquidity,” said Gene Gohlke, associate director for the SEC. Gohlke said it’s up to the managers themselves to make sure other traders aren’t manipulating their models.

Re-creating the brain with a $1.6-billion supercomputer project  — Globe and Mail
License; AA. There are seven billion human brains on the planet, but even the best minds in neuroscience aren't really sure how they work. How does a network of a hundred trillion neural connections generate thoughts and feelings and motivate action?

Karnataka seeks to revive Knowledge City plan  — Livemint
“Given the economic situation and the time that such projects need to take off, this is crucial,” he said, adding there aren't many investors who have the appetite for such projects, unless there is clarity on development of transportation networks ...

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