How can I modify kernel functions in LIBSVM?

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What can be the fast and reliable algorithm (without neural network) for face mask detection?

Have implement neural network based mask detection algorithm with different colors of masks and that is working with 99% accuracy (around 2 fails in 850 tests) but the CNN based algorithm is too...

06 June 2020 1,440 7 View

How can I analyze flouride through HPLC ?

How can I analyze flouride through HPLC ? is IC better over HPLC for fluoride analysis or ISE is evergreen? I am Curious to know any better analysis for ionic fluoride which is less time...

28 February 2020 5,129 4 View

How to purify amyloid-beta(1-42) conjugated with small molecule?

I am conjugating Amyloid-beta (Abeta) peptide (MW ~4500) with a small molecule (starting with monomeric abeta). I tried purifying the product with protein concentrator with 3000 molecular weight...

14 August 2019 6,559 5 View

Is there an ASTM standard for tensile tests on electrospun polymer films ?

I need to perform a tensile test on a 30 micron thick electrospun polymer film, and fabrication limits the maximum length of a specimen to 80 mm. Similar publications have used the ASTM D638...

12 February 2019 3,212 4 View

What could be an alternative to ethanol as a wash buffer for magnetic bead RNA extraction?

I want to avoid ethanol as it is known to hinder downstream amplification process. Also, I am in a process of developing an automated diagnosis of ZIKA and would want to avoid...

09 July 2017 4,716 3 View

How to get good sections of rat heart in cryostat without tissue falling off?

I wash rat heart (left ventricle) 2 times with PBS over an ice bath, dry it with paper towels and then embed it in OCT over cooling bath. Lately, while sectioning in cryostat tissue is falling...

23 May 2017 994 6 View

Does anybody use Trp promoter/operator based expression vector?

13 March 2017 6,329 2 View

Single site cloning - Any enzyme to blunt one end to avoid self ligation?

10 November 2016 3,340 10 View

How can I modify the code of LIBSVM to find distance of a point to the Hyperplane?

30 June 2015 6,891 2 View

How to carry out stimulation of friction stir welding process in ansys?

I need to stimulate friction stir welding in ansys mechanical and the problem faced by me is how to apply heat flux on the weld line provided the heat source is transverse with some feed over the...

26 June 2014 1,775 8 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

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

How to estimate 2SLS with different instruments for different endogenous variables?

To be specific, I want to conduct an IV regression in stata with the following three equations. EQ1: Y1 ~Y2 Y3 X EQ2: Y2 ~ Z1 EQ3: Y3 ~ Z2 Both Y2 and Y3 are endogenous. However, Z1 and Z2 are...

23 February 2021 6,266 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

Which is the best software or programming language (user friendly) for analysing data?

I have a basic knowledge on Python, R and MATLAB in analysing data. Among those, which is the best and user friendly? Which one should I learn deeply to analyse data?N:B: I want to learn data...

20 February 2021 3,950 15 View

What is/are the best ML classifier(s) for Sentinel2 images?

Hi I am trying to segment a sentinel2 image. At this stage, I want to run a binary classifier that assigns each pixel to either farm or non-farm pixel. For this purpose, I have 4 10m bands...

15 February 2021 3,596 9 View