Daniel Crespin

11 Questions 49 Answers 0 Followers

Questions related from Daniel Crespin

Is backpropagation really used in practical, commercially oriented AI applications?

Hello to all Artificial intelligence is often mentioned as an area where corporations make large investments. It seems that they use AI in autonomous vehicles, face recognition, medicine,...

26 October 2018 1,727 4 View

Do you agree with someone that claims to understand Quantum Mechanics?

I Do Understand Quantum Mechanics It has been stated that "nobody understands Quantum Mechanics". That is no longer the case. Everyone in Researchgate.net is invited to look at the just created...

23 May 2018 1,099 69 View

Is the HST picture of galaxies 14 billion years light from the Milky Way a contradiction?

A 14-hour exposure by the Hubble Space Telescope provided a recently released picture by NASA/ESA. It shows galaxies distant at 14 billion light years. Is this a consistent possibility? For...

20 April 2014 4,109 6 View

Is quantum entanglement any better than classical entanglement?

Reading the opening post of a software...

13 April 2014 9,801 5 View

What does "breakthrough in artificial intelligence, so machines can learn" mean?

Bill Gates made the following statement "If you invent a breakthrough in artificial intelligence, so machines can learn, that is worth 10 Microsofts." (The New York Times, March 3, 2004) Mr....

18 March 2014 9,934 3 View

Anomalies in the spectrum of hydrogen atoms

The hydrogen spectral lines are organized in various series. Lyman series are the lines corresponding to transitions targeting the ground state. Most pictures dealing with hydrogen spectra and...

20 September 2012 973 3 View

What is the status of the n-dimensional XOR training problem for neural networks ?

The XOR problem in dimension 2 appears in most introductory books on neural networks. The problem consists four 2-dimensional binary data vectors, each with a binary output 0 or 1 according to the...

10 March 2012 2,266 8 View

Where to find numerical solutions of the Sonar, or Mines vs Rocks, neural network training problem?

Several online repositories exist that provide numerical data for machine learning problems. One of these is http://archive.ics.uci.edu/ml/index.html There you can find the Sonar, or Mines vs...

08 March 2012 9,423 2 View

Can Schrödinger time dependent equation be justified in either quantum or in classical terms?

The Schrödinger time dependent equation (STDE) for the hydrogen atom tells how the wave function of the bound electron moves. Since the equation generates a unitary linear group...

01 January 1970 3,164 12 View

If Schrödinger evolution equation is a scientific mistake, what else has to be discarded?

The Schrödinger self adjoint Hamiltonian operator H correctly predicts the stationary energies and stationary states of the bound electron in a hydrogen atom. To obtain such states and energies it...

01 January 1970 4,950 19 View

Why a fully deterministic wave mechanics has not yet replaced the troublesome quantum wave mechanics?

The really important breakthrough in theoretical physics is that the Schrödinger Time Dependent Equation (STDE) is wrong, that it is well understood why is it wrong, and that it should be replaced...

01 January 1970 5,739 14 View