Roman Witula

Publication Activity (10 Years)

Years Active: 2005-2020
Publications (10 Years): 3

Top Topics

Algebraic Geometry

Perturbation Method

Error Estimation

Top Venues

Appl. Math. Comput.

Publications

Beata Bajorska-Harapinska, Mariusz Pleszczynski, Michal Rózanski, Barbara Smolen-Duda, Adrian Smuda, Roman Witula
A Different Look at Polynomials within Man-Machine Interaction. Inf. 11 (12) (2020)
Edyta Hetmaniok, Damian Slota, Mariusz Pleszczynski, Roman Witula, Michal Rózanski, Marcin Szczygiel
Symbolic description of the polynomial roots and their numerical implementation - better than in Mathematica software? FedCSIS (Communication Papers) (2019)
Edyta Hetmaniok, Barbara Smolen, Roman Witula
The Stirling triangles. SYSTEM (2017)
Edyta Hetmaniok, Mariusz Pleszczynski, Ireneusz Sobstyl, Roman Witula
Kaprekar's transformations. Part I - theoretical discussion. FedCSIS (2015)
Marcin Szczygiel, Pawel Kielan, Edyta Hetmaniok, Damian Slota, Roman Witula, Adam Zielonka
Intelligent System for Detection of Breathing Disorders. ICIST (2015)
Edyta Hetmaniok, Iwona Nowak, Damian Slota, Roman Witula
Convergence and error estimation of homotopy analysis method for some type of nonlinear and linear integral equations. J. Num. Math. 23 (4) (2015)
Alicja Wróbel, Edyta Hetmaniok, Mariusz Pleszczynski, Roman Witula
On an improvement of the numerical application for Cardano's formula in Mathematica software. SYSTEM (2015)
Edyta Hetmaniok, Mariusz Pleszczynski, Ireneusz Sobstyl, Roman Witula
Kaprekar's transformations. Part II-numerical results and intriguing corollaries. FedCSIS (Position Papers) (2015)
Roman Witula, Edyta Hetmaniok, Damian Slota
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]. Appl. Math. Comput. 241 (2014)
Edyta Hetmaniok, Damian Slota, Tomasz Trawinski, Roman Witula
Usage of the homotopy analysis method for solving the nonlinear and linear integral equations of the second kind. Numer. Algorithms 67 (1) (2014)
Roman Witula, Edyta Hetmaniok, Damian Slota
Generalized Gregory's series. Appl. Math. Comput. 237 (2014)
Rafal Brociek, Damian Slota, Roman Witula
Reconstruction of the Thermal Conductivity Coefficient in the Time Fractional Diffusion Equation. RRNR (2014)
Edyta Hetmaniok, Piotr Lorenc, Mariusz Pleszczynski, Roman Witula
Iterated integrals of polynomials. Appl. Math. Comput. 249 (2014)
Edyta Hetmaniok, Iwona Nowak, Damian Slota, Roman Witula
A study of the convergence of and error estimation for the homotopy perturbation method for the Volterra-Fredholm integral equations. Appl. Math. Lett. 26 (1) (2013)
Roman Witula, Edyta Hetmaniok, Damian Slota
A stronger version of the second mean value theorem for integrals. Comput. Math. Appl. 64 (6) (2012)
Roman Witula, Damian Slota, Edyta Hetmaniok
Some properties of inverses of the full matrices. Comput. Math. Appl. 63 (5) (2012)
Edyta Hetmaniok, Damian Slota, Adam Zielonka, Roman Witula
Comparison of ABC and ACO Algorithms Applied for Solving the Inverse Heat Conduction Problem. ICAISC (SIDE-EC) (2012)
Edyta Hetmaniok, Damian Slota, Roman Witula
Convergence and error estimation of homotopy perturbation method for Fredholm and Volterra integral equations. Appl. Math. Comput. 218 (21) (2012)
Roman Witula, Damian Slota, Marian Kampik
Some properties of the full matrices. Appl. Math. Comput. 219 (3) (2012)
Edyta Hetmaniok, Damian Slota, Roman Witula, Adam Zielonka
Comparison of the Adomian decomposition method and the variational iteration method in solving the moving boundary problem. Comput. Math. Appl. 61 (8) (2011)
Roman Witula, Damian Slota
On the sum of some alternating series. Comput. Math. Appl. 62 (6) (2011)
Roman Witula, Damian Slota, Arman Darbinyan, David Borwein
A Trig-Of-Trig Inequality: 11309. Am. Math. Mon. 116 (2) (2009)
Roman Witula, Damian Slota, et al.
An Iteration Convergence: 11318 [2007, 745]. Am. Math. Mon. 116 (7) (2009)
Roman Witula, Damian Slota
Fixed and Periodic Points of Polynomials Generated by Minimal Polynomials of 2cos(2pi/n). Int. J. Bifurc. Chaos 19 (9) (2009)
Roman Witula, Damian Slota
Integers Powers of Certain Asymmetric Matrices. ICCS (1) (2009)
Roman Witula, Damian Slota
Some phenomenon of the powers of certain tridiagonal and asymmetric matrices. Appl. Math. Comput. 202 (1) (2008)
Roman Witula, Damian Slota
Partial fractions decompositions of some rational functions. Appl. Math. Comput. 197 (1) (2008)
Roman Witula, Damian Slota
Problem 11318. Am. Math. Mon. 114 (8) (2007)
Roman Witula, Damian Slota
On computing the determinants and inverses of some special type of tridiagonal and constant-diagonals matrices. Appl. Math. Comput. 189 (1) (2007)
Roman Witula, Damian Slota
Problem 11309. Am. Math. Mon. 114 (7) (2007)
Damian Slota, Roman Witula
Three Brick Method of the Partial Fraction Decomposition of Some Type of Rational Expression. International Conference on Computational Science (3) (2005)