Roberto Eloy Hernández Regalado

8 Questions 24 Answers 0 Followers

Questions related from Roberto Eloy Hernández Regalado

Tracers to perform residence time distribution (RTD) study in EGSB reactor during anaerobic co-digestion process?

It is wanted to evaluate the hydraulic performance of an EGSB reactor to characterize the hydrodynamics of the reactor. The feed to the reactor is still unknown, due to the composition of the feed...

23 January 2020 7,744 0 View

How to solve multicollinearity problem in mixture design?

Due to its own nature mixture design models (mainly with interactions) presents multicollinearity problems, some authors declare that a combination of forward stepwise and step backward stepwise...

06 January 2020 1,313 3 View

Someone can facilitate a Matlab script for minimize a neural network output, specially with GA?

We are working on optimization of the output of a neural network. Random search was applied, but results obtained are unexpected. We are looking forward to apply others optimization methods for...

20 June 2019 3,031 1 View

Do you have any recommendation for this specific error/situation on the PCA performed?

I was checking a Principal Components Analysis that a colleague performed on a bio-separation process and I found two abnormalities. First, despite PC1 explained more than of 80% of variance,...

28 May 2019 4,340 11 View

How can be explain difference between training and validation trends for neural networks built?

I built several feed foward neural models on Matlab. It was done with 1 hidden layer and number of neurons on input and output layer was fixed. Neurons on hidden layers was changed from 5 up to...

23 May 2019 4,685 7 View

What should I change in analysis of eigenvalues of PCA from dinamyc non-normal distributed raw data?

I have performed a PCA to a dinamyc data. This data does not follow a normal distribution. Even when I tried non-linear transformations like logarithmic or square root. Even though results from...

21 May 2019 9,195 3 View

How can I apply a noise filter or an error reduction function/structure to achieve a good prediction of the all process?

I had fitted a neural network for a dinamyc process. I used a matrix containing a complete data set for cross validation and it showed great results. Then I wanna predict the all process just...

14 May 2019 6,332 10 View

Any recommendations for fitting non-linear multivariable custom models?

Im trying to fit multivariables kinetics models for cells growth. Matlab Curve Fitting app only let me introduce one independent variable.

07 May 2019 4,931 2 View