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

Difference among Windows, ATL, CLR General, MFC in Visual studio C++?

10 November 2016 996 0 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

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 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

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 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

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View