How to properly normalize dataset for prediction in deep NN?

I'm doing a particle physics analysis (jet energy regression) by means deep neural network (in keras with tensorflow backend). I have several features (mostly kinematic variables). I trained my...

07 August 2018 3,284 3 View

How to implement Huber loss function in XGBoost?

I was wondering how to implement this kind of loss function since MAE is not continuously twice differentiable. Are there any functions close to the Huber loss?

07 August 2018 1,645 4 View

Why the heart organ is traditionally believed to be periodic in nature?

Heart organ.

02 March 2016 5,615 0 View

Does the Autonomic Nervous System still has an effect on the Heart Rate Variability of isolated hearts?

Langerdoff isolated hart preparation

31 December 2015 7,175 18 View

How can I construct a phase plane of an ECG time series data?

Since a phase plane needs two variables that are dependent on time, I am thinking it can be the RR interval and the voltage variation. That is, V(t) and RR(t). What do you think? If this is...

11 December 2015 3,356 6 View

What will happen to the beating of the frog heart tissue if it's perfused in a High Calcium Ringers?

09 October 2015 7,069 0 View

Would it be possible to make a differential equation model for ECG recordings?

In my ECG recordings, I periodically add increasing concentration of high calcium ringer's solution with an interval of 10 minutes for each concentration. I noticed that for an increase of...

08 September 2015 2,964 3 View

How do I make visible borders in LaTex?

Please look at the attached. That was written using MS Word. Now, I want to use LaTex to make visible borders with the univesity name.

04 May 2015 492 1 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 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 is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View