Re: [Haskell-cafe] Re: Quanta. Was: Wikipedia on first-class object

2008-01-07 Thread Albert Y. C. Lai
Achim Schneider wrote: Erm... There is this story about some military (US afair) training a neural net to detect tanks in images, I can't find the link right now. It worked, with amazing 100% accuracy. Then they threw another batch of images at the net. It worked, with devastating 50%

[Haskell-cafe] Re: Quanta. Was: Wikipedia on first-class object

2008-01-07 Thread jerzy . karczmarczuk
Albert Y. C. Lai writes: Achim Schneider wrote: There is this story about some military (US afair) training a neural net to detect tanks in images ... 50% accuracy. I have some similar stories to tell A. ... students assumed sin(x+y) = sin(x) + sin(y) B. ... But that day, that car,

[Haskell-cafe] Re: Quanta. Was: Wikipedia on first-class object

2008-01-06 Thread ChrisK
Brandon S. Allbery KF8NH wrote: On Jan 6, 2008, at 15:02 , Ketil Malde wrote: More seriously, perhaps quantum enters into the equation in how the brain works, perhaps it is even necessary for thought. However, I get worried it's just another mystical mantra, a gratuitous factor that, lacking

[Haskell-cafe] Re: Quanta. Was: Wikipedia on first-class object

2008-01-06 Thread Achim Schneider
ChrisK [EMAIL PROTECTED] wrote: how the brain works appears to be though electro- and bio- chemistry, which are best modeled/described right now by quantum mechanics. Erm... There is this story about some military (US afair) training a neural net to detect tanks in images, I can't find the

[Haskell-cafe] Re: Quanta. Was: Wikipedia on first-class object

2008-01-06 Thread Aaron Denney
On 2008-01-06, ChrisK [EMAIL PROTECTED] wrote: Brandon S. Allbery KF8NH wrote: On Jan 6, 2008, at 15:02 , Ketil Malde wrote: More seriously, perhaps quantum enters into the equation in how the brain works, perhaps it is even necessary for thought. However, I get worried it's just another

Re: [Haskell-cafe] Re: Quanta. Was: Wikipedia on first-class object

2008-01-06 Thread Bryan O'Sullivan
Achim Schneider wrote: There is this story about some military (US afair) training a neural net to detect tanks in images, I can't find the link right now. It worked, with amazing 100% accuracy. Then they threw another batch of images at the net. It worked, with devastating 50%

[Haskell-cafe] Re: Quanta. Was: Wikipedia on first-class object

2007-12-30 Thread Achim Schneider
Peter Verswyvelen [EMAIL PROTECTED] wrote: Regarding this the universe is a turing machine: until a couple of years ago, I also was someone that believed that (A) the universe (and life) could be simulated by a computer, Yesss. Nice. A bit of Escher here: Imagine an instance of eval