Why use Gaussian elimination to solve linear equation?

For liear equation y = A*x, why use Gaussian elimination to solve the linear equation other than calculating multiplication of inverse of A and y directly?

10 November 2017 229 5 View

What is the significance of conjugate prior in variational Bayesian inference?

We prefer to use conjugate prior for the Bayesian model. Using variational Bayesian inference, conjugate prior is also preferred. However, in the update procedure of Bayesian inference, it seems...

07 August 2017 8,663 3 View

How to use transfer learning by training VGGnet?

In stanford CNN course, it is stated that we can use the available Convnet for transfer learning. (http://cs231n.github.io/transfer-learning/) I saw that some guys use VGGnet for transfer...

06 July 2017 779 4 View

How to check whether a person has a scarf around his neck in an image?

Hello, everyone, I encountered one problem: to detect whether one guy has a scarf around his neck or not. I have video images. The person in the images are with various ages,with various colors...

05 June 2017 9,788 6 View

What is the best algorithm for total variation?

02 March 2017 778 6 View

Is calculation of Total Variation problematic?

For image processing, unlike the methods which split the image into pitches, total variation is on the whole image. In this case, for an image with size n by n, what is the complexity of total...

01 February 2017 578 2 View

Insufficient snapshots for adaptive beamforming?

In adaptive beamforming, usually it is assumed that the number of snapshots is much larger than that of the antennas. What if the number of snapshots is insufficient? Thanks.

10 November 2016 5,720 1 View

How to estimate the parameter of a linear system?

10 November 2016 2,342 1 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

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02 March 2021 3,060 3 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 View

Can I download BibExcel for MacOs?

Hi everyone, I would like to ask how I can download BibExcel software for MacOs? There are some links which are supported by Windows but I could not find it for Mac. or is there any other software...

01 March 2021 652 1 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View