Has anyone run code on the 156,000 node Amazon computer?

More Douglas C Youvan's questions See All

Would a device that harvests energy via a dissipative structure qualify as a Prigogine Machine?

Also, would a device that processes information via a dissipative structure qualify as a Prigogine Machine?

02 March 2016 6,942 4 View

Would you agree that P -> NP as v -> c?

The notation " -> " reads as "approaches". If we give each Twin in the Special Relativity Paradox a computer, the traveller can see the stationary computer complete a very long NP calculation...

08 September 2015 1,336 7 View

The length of non-stop nsDNA is about 5 to 10 times longer in communal bacteria than pathogens. Half the nsDNA is paired. Have I missed a reference?

I have an observation and a correlation that is strong enough to present in a preliminary and semi-quantitative form before the full study ends. If one calculates the distance in nucleotides...

07 August 2015 3,397 2 View

How rare is it for a sparse rectangular matrix to have an exact solution?

By "solution", I mean a PseudoInverse. By "exact", I mean a formula, not a fit (such as SVD) or a decomposition.

10 November 2014 2,687 3 View

Is bubble memory loss of daily events common for a mathematician heavily involved in work?

I'm sort of grinning as I ask this question: It might get me off the hook with my wife!

10 November 2014 7,227 1 View

In formal mathematical terms, what is the most succinct statement of the P v NP problem?

It would be nice if the text defined all operators.

10 November 2014 2,167 1 View

What is the most direct evidence that the speed of light is invariant in all reference frames?

Be careful that your answer is not using indirect or secondary observations.

09 October 2014 6,257 4 View

Does anyone recognize this SVD shortcut as a known equation?

(* complete dictionary of words, one per row, number of rows is (alpha^word), using words of length "word" and an alphabet of "alpha" number of characters *) alpha = 4; word = 3; dict =.; dict =...

09 October 2014 9,282 3 View

What do you think the odds are for finding an alternative genetic code in an environmental metagenomics library?

Don't be shy to answer. I'd really like to know what people think!

09 October 2014 5,524 0 View

In P v NP, what happens if we define time and cycles to be equivalent?

I don't see how counting steps done on paper with pencil is subject to any applicable physics, so I see no obvious violation of the laws of physics. (NKS?)

09 October 2014 2,846 3 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

Which test should be used to study association among demographic profile and awarness level?

i have to study the awareness and adoption level of cloud computing in a district of India. i also want to use association among demographic variables like gender, age, education, income etc and...

02 August 2024 2,420 3 View

Can anyone provide me with molecular docking softwares/ websites?

Molecular docking software/ websites?

02 August 2024 8,704 7 View

Difficulty with permittivitt and Magnetic Permeability Calculations?

Difficulty with permittivitt and Magnetic Permeability Calculations Hello everyone, I have all the parameters related to the calculations of the permittivitty and magnetic permeability...

30 July 2024 5,206 1 View

How to use Desmond in HPC ?

Our department has recently acquired an HPC (High-Performance Computing) system, and I'm thrilled to take my molecular dynamics calculations to the next level using Desmond. I used to run my...

28 July 2024 6,553 1 View

I am working on my Master's thesis on the biogeography of the genus Ruagea and I would like to ask, could someone help me to check whether my result?

I created a file with my outgroup and ingroup species using Beauti, ran it in BEAST, viewed it in Tracer, and then used TreeAnnotator to create a file that I imported into RASP. Could someone...

28 July 2024 2,979 1 View

All math can be explained by iterator of code?

all math can be traversed by code? all math can be translate to code?

26 July 2024 9,530 0 View

Flow through curved domains?

Hi everyone, I am working on a curved domain in which a ship is situated in the middle (geometry is given below). In my understanding the general fluid flow is parallel to the x axis from inlet to...

25 July 2024 9,058 4 View

Which software tools are best for enhancing diagnostic accuracy in chest X-ray imaging using image reconstruction and neural networks?

I am reaching out to seek your valuable advice and recommendations regarding the best software tools to use for this research. Specifically, I am looking for software with a user-friendly...

22 July 2024 3,794 1 View