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I am computing incidence based richness estimators together with their standard error using began package in R . Now I want to evaluate the richness estimators using bias, precision and accuracy.
29 July 2021 9,470 1 View
Seismic design takes advantage of larger damping owing to structure ductility to reduce the design load by R factor (of 3 to 8 value). Apparently, both seismic and wind governing loads are derived...
28 July 2021 3,381 7 View
I can use chebfun to get the eigenvalues of orr-sommerfled equation. But I don't know how to compute the neutral stability. Can someone help me? perferably in code form.
16 July 2021 4,164 2 View
I am finding it difficult to compute the constants A1, A2, A3, A4 and A5 in the semiempirical mass formula
15 July 2021 8,924 3 View
Mineral structural formula is computed for silicates after cation calculation. I want to know, can the same be carried out for sulphide ores?
15 July 2021 3,631 3 View
I have a coarse-grain molecular dynamic performed in Gromacs. I am interested, in computing the distance between an atom (bead) and a group of atoms (beads). That is to say, I want the distance...
14 July 2021 2,446 11 View
I am looking for suggestion on any codes or tools that are available?
10 July 2021 2,597 3 View
I have grown some molecular crystals from solution for the purpose of nanoindentation. But the surfaces have a tilt greater than 10 deg. For the generation of reliable data, I need to indent on a...
03 July 2021 5,043 3 View
In optimization of sphere we already knows that the optimal point is the Origin and this is achieved by analytical optimization procedures and as we run Many/Multi Evolutionary Algorithms, the...
02 July 2021 3,554 7 View
Dear all, I have work in a lab and the Perkin-Elmer Diamond DSC is not connecting to the computer. The computer says the machine is offline, the lights on the front of the machine do not turn...
16 June 2021 6,620 2 View
For example, Broyden’s method, Newton iteration method, ... . I did not write much program with it. Also, I do not have much time. I have attached some explanations. Thank you
07 June 2021 2,793 4 View
Can we compute young modulus of a spherical nanoparticle by molecular dynamics software's ? I have seen some paper about nanocomposite contain particle and polymer. there compute the modulus...
05 June 2021 2,648 9 View
Dear Sir, I am an MSc student and in the researching stage. I am working on the wireless network based on the IEEE 802.11ac standard. I need to design this standard by using OmNet++ v 5.5.1...
05 June 2021 3,594 2 View
I have a computational data of geometrical points and their instantaneous stress components. However based on the available data. I have to interpolate the stress values at points where the stress...
05 June 2021 5,006 1 View
Dear All, I would like to compute the water permeability of Aquaporins from MD trajectory data? The trajectories are generated using GROMACS? How can I compute the water permeability by the...
04 June 2021 570 6 View
I‘m trying to get the Signal to Interference and Noise Ratio(SINR) of a ad hoc node’s interface by receiving Hello packets at the physical layer and I want to use SINR at the mac layer and routing...
01 June 2021 1,977 4 View
I have a photo-resistor captured light (serial data with bit of stop and bit of stop). Instead of reading it with a regular serial port on the host computer, I'm recording it using the pc’s sound...
30 May 2021 8,157 2 View
Hi, I'm designing a chopper amplifier, the input is current and output is voltage. I have to use PNOISE simulation for noise analysis. I need to calculate input current noise in A/sqrt(Hz) but...
25 May 2021 3,473 0 View
Hollow cylinder subjected to both internal and external pressure, How to solve in FEm along with boundary conditions?
25 May 2021 4,639 1 View
Someone who is well versed with present bias behavior. I needed help in running exponential and hyperbolic equations with the data collected in the software packages.
23 May 2021 6,945 0 View
This question majorly resides in the camera simulation study. In the Ray Tracing method, the rays are generated from the camera origin to each pixel in the image matrix. Extending these rays,...
22 May 2021 2,010 1 View
Wastewater treatment
14 May 2021 8,801 5 View
I need a mobile powerful workstation, the best I can get in 2021, any suggestions?
11 May 2021 7,279 7 View
Please, we need memory specifications for image storage and video card
08 May 2021 9,445 3 View