Solving a third order polynomial matrix equation?

I want to solve the following matrix equation with respect to the matrix variable X which is a real symmetric positive definite matrix. The given matrix A is real and symmetric, "a" is a scalar,...

04 January 2021 2,945 7 View

What is the reason for smears in cell membrane SDS-PAGE?

Hello there; I'm trying to optimize SDS-PAGE/ Western blot condition for Eukaryotic cell membrane. After tissue separation, resuspending in RIPA buffer and sonication, I centrifuge samples at...

04 May 2020 3,082 3 View

What is an extra band in gel electrophoresis of total RNA?

Hi, I am doing RNA extraction from human PBMC (of 1.5 ml blood) using Trizol Reagent. I got rations A260/280 1.8~1.95 and A260/230 1.7~2.2 and the concentration about 150~360 ng/ul. I have tried...

20 June 2019 3,266 6 View

I want to work on the simulating the performance evaluation of 802.11ah in MATLAB.does enyone know useful sources for starting the progect?

802.11ah simulation matlab code

15 January 2019 7,299 1 View

How can I learn the analyzing of the images of FMRI (resting state fmri) by spm and conn apps?

I need to ebooks and articles that explain how to preprocessing and analyzing of resting state fmri data.

01 November 2017 4,830 4 View

How can I prepare a sample with flat surface for AFM (atomic force microscopy)?

I have used melt blending to prepare a nanocomposite. Cryomicrotome can be used to make a flat surface on a compression molded sample, but it is an expensive method. I need an easy and low cost...

26 April 2017 4,687 2 View

I need a 3D structure of Chitosan polymer?

As part of my research I do need the 3D structure (preferebly the CIF or things like that) of Chitosan polymer that represents the bond lengths, angles and torsions. I am wondering if someone can...

23 August 2016 1,069 8 View

Mixed ANOVA or Two-way ANOVA?

If I have to count the bacterial load of 3 different stations in a lake along time (4 seasons), how should I analyse the results? Should I use Mixed ANOVA or 2-way ANOVA? Any other suggestion and why?

27 April 2016 3,662 9 View

Is the statement true "Two signed graphs on the same underlying graph are co-spectral if they have the same set of unbalanced cycles"?

The same set of unbalanced cycles should be considered up to isomorphism.

08 November 2015 2,216 2 View

How can I characterize the structure sediment buproduct?

18 August 2015 9,778 4 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Do you know good and user-friendly programs to measure plant quantitative traits?

For my research i will need to measure plant quantitative traits (especially leaves area and roots length, but would be nice to add some more information). I recently discovered...

01 March 2021 5,035 2 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone have kinetic and kinematic dataset for gait classification?

I want to differentiate between normal and abnormal movement. For this reason, I am looking forward to this type of dataset.

01 March 2021 9,485 1 View

Any suggestions for a website that allows you to create questionnaires and gather unlimited data (Totally free)?

I have found only four of them; www.surveyplanet.com www.online-anket.gen.tr www.surveey.com and of course google forms. Expecting to see your suggestions if there is any. Thank you

28 February 2021 3,237 3 View

Where can I find public datasets with Covid-19 patient information?

Hi, I'm looking for public datasets that have CT, X-ray information, or medical records for patients with Covid-19. Does anyone have suggestions?

28 February 2021 4,760 3 View

I need dataset for recommandation system?

Hi every body I need to collect datasets from different source to work on recommendation system algorithms, could you advise me how collect data?

27 February 2021 7,063 7 View

How to evaluate unsupervised clustering metrics when some elements do not have a cluster label in the result?

I run algorithms like HDBSCAN and MeanShift, and compare them with K-means and GaussianMixture. The first two algorithms do not return cluster labels for some elements in the dataset. My question...

27 February 2021 428 3 View