How to express accuracy of the neural network where the dataset has not been split into two, training set and test set?

In use, the weights obtained are considered with the greatest accuracy when the data set is divided, because the weights are initialized at random and the training data is swapped at random...

19 January 2021 5,714 4 View

The loss of hyperbolicity in PDE?

Question about the loss of hyperbolicity in nonlinear PDE: when complex eigenvalues appear, what is the effect on flow? I understand that we do not have general results on existence in this case,...

16 December 2020 2,571 3 View

Books on doing a PhD?

Hi colleagues, I wondered if any of you could recommend a book for a student starting out on her PhD. Her subject area is: health, education, training and child...

07 December 2020 549 4 View

Why do I receive the sae mesage several times?

26 October 2020 409 1 View

Is there a method to completely remove OCT from frozen tissue?

I am trying to remove OCT from frozen tissue for DNA/RNA sequencing. My goal is to remove a portion of tissue from the OCT embedded tissue, without thawing or greatly disturbing the remaining...

24 June 2020 1,715 1 View

How to escape local minimum in the training of Convolutional Neural Network?

I am trying to train CIFAR10 dataset on CIFAR10 architecture on MATCONVNET without gpu but my objective function is not decreasing down to 1,665. What may be parameters to tune while considering...

16 June 2020 4,700 8 View

Can distributed intelligence substitute for a lack of ethics?

In the trust economy, ethics becomes a scare resource. To what extend will technology be able to step in and fill this gap? Distributed Cognition and Distributed Morality: Agency, Arti...

03 January 2020 9,711 3 View

What type of water should I use in viral DNA extractions?

I am attempting to set up a QC laboratory to test viral samples isolated from insects. The test will include gel electrophoresis and qPCR analysis. What I want to know is what type of water should...

16 December 2019 683 5 View

Where are the good exposures at the Ditrau Massive in Transylvania, Romania? (Could you give a global grid reference?)?

I am a third year geology student at the University of Edinburgh, School of GeoSciences. This summer I will be working on my dissertation mapping on the Ditrau massive. I have a mapping partner. I...

26 March 2018 9,838 3 View

Unequal error variances in two-way ANOVA?

Using SPSS, N=297. The Levene's statistic is very significant at p

16 August 2017 6,365 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Hello fellow researcher .. What is the meaning of your name?

I would like to create a small guide containing the meanings of the names .. Thanks to everyone who cooperates with me in achieving it.

03 March 2021 5,266 4 View

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

High aspect ratio hexahedral mesh optimization solver?

I am interested in evaluating mesh optimization solvers that converge to high aspect ratio unstructured hexahedral grids. In other words, I am interested in a solver that optimizes warpage,...

26 February 2021 7,279 2 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View