Ahmad Hassanat

10 Questions 87 Answers 0 Followers

Questions related from Ahmad Hassanat

Where can I find a standard dataset for finding a Hamiltonian cycle in a graph?

A Hamiltonian Cycle is a simple cycle in a graph thatincludes all vertices, finding this cycle is NP problem. We want to test a proposed solution...

20 May 2016 1,700 1 View

How do I calculate the entropy to data containing real numbers?

It is easy to calculate the entropy on discrete numbers or categorical data, which si equal to minus the summation of( the probabilities x the log of each probability), the probability of a real...

08 September 2014 8,493 18 View

I give the idea, prove it, do experiments and you write the paper as co-author, is this ethical writing?

Some researchers enjoy experiments and finding new results, and find it is boring to write, others enjoy both. I belong to the first type, I have finished experiments for 3 different papers, but I...

26 May 2014 9,540 24 View

What conditions should be satisfied for a metric measure?

I am working on a new metric measure. I tested it against Euclidean and Manhattan distances and it gives better results w.r.t KNN algorithm. How to make sure that a certain function can be...

07 May 2014 4,429 13 View

Is there any different way to weight ANN?

Theoretically (as I understand) the weights can be in the range of [- inf to + inf]. This is a very large space to find the optimal solution in, if we could limit this space we may get the optimal...

26 April 2014 8,187 2 View

How can I choose the best topology for ANN?

Is there any rule of thump to choose the best topology for ANN? Is the best topology related to the optimal solution? In decision tree we have a factorial number of trees, finding the best one is...

26 April 2014 4,199 6 View

Why is back-propagation still used extensively to train ANN while it is beaten by GA?

I just have read an article "Training Feedforward Neural Networks Using Genetic Algorithms" written by David J Montana. Experiment 5 compares BP and GA to train ANN, the results show that GA is...

16 April 2014 2,683 45 View

Should one specialize in a particular area of research, or generalize by targeting many different areas?

Most of us teach different topics in computer science, we studied those during our, bachelor, master and PhD, so we have at least general knowledge about most computer topics, why should we stick...

29 March 2014 1,146 6 View

Is there any other data structure to represent graphs apart from adjacency matrix and adjacency list?

I think both are time and space consuming, there must be something better!

11 February 2014 3,353 4 View

What is the best ellipse or circle that fits certain 2D points?

I'm looking for a fast algorithm to find the best ellipse and in another problem the best circle (best means minimum area) to contain certain 2D points. Convex hull algorithm is one option but is...

30 July 2013 9,370 0 View