Roman Witula

According to our database, Roman Witula authored at least 31 papers between 2005 and 2020.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2020

A Different Look at Polynomials within Man-Machine Interaction.

Beata Bajorska-Harapinska, Mariusz Pleszczynski, Michal Rózanski, Barbara Smolen-Duda, Adrian Smuda, Roman Witula

Inf., 2020

2019

Symbolic description of the polynomial roots and their numerical implementation - better than in Mathematica software?

Edyta Hetmaniok, Damian Slota, Mariusz Pleszczynski, Roman Witula, Michal Rózanski, Marcin Szczygiel

Proceedings of the Preprints of Communication Papers of the 2019 Federated Conference on Computer Science and Information Systems, 2019

2017

The Stirling triangles.

Edyta Hetmaniok, Barbara Smolen, Roman Witula

Proceedings of the Symposium for Young Scientists in Technology, 2017

2015

Convergence and error estimation of homotopy analysis method for some type of nonlinear and linear integral equations.

Edyta Hetmaniok, Iwona Nowak, Damian Slota, Roman Witula

J. Num. Math., 2015

On an improvement of the numerical application for Cardano's formula in Mathematica software.

Alicja Wróbel, Edyta Hetmaniok, Mariusz Pleszczynski, Roman Witula

Proceedings of the International Symposium for Young Scientists in Technology, 2015

Intelligent System for Detection of Breathing Disorders.

Marcin Szczygiel, Pawel Kielan, Edyta Hetmaniok, Damian Slota, Roman Witula, Adam Zielonka

Proceedings of the Information and Software Technologies - 21st International Conference, 2015

Kaprekar's transformations. Part II-numerical results and intriguing corollaries.

Edyta Hetmaniok, Mariusz Pleszczynski, Ireneusz Sobstyl, Roman Witula

Proceedings of the Position Papers of the 2015 Federated Conference on Computer Science and Information Systems, 2015

Kaprekar's transformations. Part I - theoretical discussion.

Edyta Hetmaniok, Mariusz Pleszczynski, Ireneusz Sobstyl, Roman Witula

Proceedings of the 2015 Federated Conference on Computer Science and Information Systems, 2015

2014

Usage of the homotopy analysis method for solving the nonlinear and linear integral equations of the second kind.

Edyta Hetmaniok, Damian Slota, Tomasz Trawinski, Roman Witula

Numer. Algorithms, 2014

Generalized Gregory's series.

Roman Witula, Edyta Hetmaniok, Damian Slota

Appl. Math. Comput., 2014

Corrigendum to "Generalized Gregory's series" [Applied Mathematics and Computations 237 (2014) 203-216, http://dx.doi.org/10.1016/j.amc.2014.03.101].

Roman Witula, Edyta Hetmaniok, Damian Slota

Appl. Math. Comput., 2014

Iterated integrals of polynomials.

Edyta Hetmaniok, Piotr Lorenc, Mariusz Pleszczynski, Roman Witula

Appl. Math. Comput., 2014

Reconstruction of the Thermal Conductivity Coefficient in the Time Fractional Diffusion Equation.

Rafal Brociek, Damian Slota, Roman Witula

Proceedings of the Advances in Modelling and Control of Non-integer-Order Systems, 2014

2013

A study of the convergence of and error estimation for the homotopy perturbation method for the Volterra-Fredholm integral equations.

Edyta Hetmaniok, Iwona Nowak, Damian Slota, Roman Witula

Appl. Math. Lett., 2013

2012

Some properties of inverses of the full matrices.

Roman Witula, Damian Slota, Edyta Hetmaniok

Comput. Math. Appl., 2012

A stronger version of the second mean value theorem for integrals.

Roman Witula, Edyta Hetmaniok, Damian Slota

Comput. Math. Appl., 2012

Some properties of the full matrices.

Roman Witula, Damian Slota, Marian Kampik

Appl. Math. Comput., 2012

Convergence and error estimation of homotopy perturbation method for Fredholm and Volterra integral equations.

Edyta Hetmaniok, Damian Slota, Roman Witula

Appl. Math. Comput., 2012

Comparison of ABC and ACO Algorithms Applied for Solving the Inverse Heat Conduction Problem.

Edyta Hetmaniok, Damian Slota, Adam Zielonka, Roman Witula

Proceedings of the Swarm and Evolutionary Computation, 2012

2011

On the sum of some alternating series.

Roman Witula, Damian Slota

Comput. Math. Appl., 2011

Comparison of the Adomian decomposition method and the variational iteration method in solving the moving boundary problem.

Edyta Hetmaniok, Damian Slota, Roman Witula, Adam Zielonka

Comput. Math. Appl., 2011

2009

An Iteration Convergence: 11318 [2007, 745].

Roman Witula, Damian Slota, et al.

Am. Math. Mon., 2009

A Trig-Of-Trig Inequality: 11309.

Roman Witula, Damian Slota, Arman Darbinyan, David Borwein

Am. Math. Mon., 2009

Fixed and Periodic Points of Polynomials Generated by Minimal Polynomials of 2cos(2pi/n).

Roman Witula, Damian Slota

Int. J. Bifurc. Chaos, 2009

Integers Powers of Certain Asymmetric Matrices.

Roman Witula, Damian Slota

Proceedings of the Computational Science, 2009

2008

Some phenomenon of the powers of certain tridiagonal and asymmetric matrices.

Roman Witula, Damian Slota

Appl. Math. Comput., 2008

Partial fractions decompositions of some rational functions.

Roman Witula, Damian Slota

Appl. Math. Comput., 2008

2007

Problem 11318.

Roman Witula, Damian Slota

Am. Math. Mon., 2007

Problem 11309.

Roman Witula, Damian Slota

Am. Math. Mon., 2007

On computing the determinants and inverses of some special type of tridiagonal and constant-diagonals matrices.

Roman Witula, Damian Slota

Appl. Math. Comput., 2007

2005

Three Brick Method of the Partial Fraction Decomposition of Some Type of Rational Expression.

Damian Slota, Roman Witula

Proceedings of the Computational Science, 2005