Abdelrahman A. Karawia

According to our database, Abdelrahman A. Karawia authored at least 26 papers between 2006 and 2022.

Collaborative distances:

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

2022

A Breakdown Free Numerical Algorithm for Inverting General Tridiagonal Matrices.

Moawwad El-Mikkawy, Abdelrahman A. Karawia

CoRR, 2022

A Hybrid Numerical Algorithm for Evaluating n-th Order Tridiagonal Determinants.

Moawwad El-Mikkawy, Abdelrahman A. Karawia

CoRR, 2022

2021

Medical image steganographic algorithm via modified LSB method and chaotic map.

A. A. Karawia

IET Image Process., 2021

Cryptographic Algorithm Using Newton-Raphson Method and General Bischi-Naimzadah Duopoly System.

Abdelrahman A. Karawia

Entropy, 2021

New Encryption Algorithm Using Bit-Level Permutation and Non-Invertible Chaotic Map.

Abdelrahman A. Karawia, Yasser A. Elmasry

IEEE Access, 2021

An Image Encryption Algorithm Based on Bisection Method and One-Dimensional Piecewise Chaotic Map.

Aesha N. Elghandour, Ahmed M. Salah, Yasser A. Elmasry, Abdelrahman A. Karawia

IEEE Access, 2021

2019

Image encryption based on Fisher-Yates shuffling and three dimensional chaotic economic map.

Abdelrahman A. Karawia

IET Image Process., 2019

An Algorithm of Image Encryption Using Logistic and Two-Dimensional Chaotic Economic Maps.

Sameh S. Askar, Abdelrahman A. Karawia, Abdulrahman Al-Khedhairi, Fatemah S. Al-Ammar

Entropy, 2019

2018

Cryptographic algorithm based on pixel shuffling and dynamical chaotic economic map.

Sameh S. Askar, Abdelrahman A. Karawia, Fatmah S. Alammar

IET Image Process., 2018

Encryption Algorithm of Multiple-Image Using Mixed Image Elements and Two Dimensional Chaotic Economic Map.

A. A. Karawia

Entropy, 2018

2017

A New Recursive Algorithm For Inverting A General Comrade Matrix.

A. A. Karawia

Ars Comb., 2017

2016

On the Inverse Of General Cyclic Heptadiagonal Matrices.

A. A. Karawia

Ars Comb., 2016

2014

On the Inverting of A General Heptadiagonal Matrix.

A. A. Karawia

CoRR, 2014

On Solving Pentadiagonal Linear Systems via Transformations.

A. A. Karawia

CoRR, 2014

2013

New Symbolic Algorithms For Solving A General Bordered Tridiagonal Linear System

A. A. Karawia

CoRR, 2013

A New Algorithm for General Cyclic Heptadiagonal Linear Systems using Sherman-Morrison-Woodbury formula.

A. A. Karawia

Ars Comb., 2013

Symbolic algorithm for solving comrade linear systems based on a modified Stair-Diagonal Approach.

A. A. Karawia

Appl. Math. Lett., 2013

2010

Two algorithms for solving general backward pentadiagonal linear systems.

A. A. Karawia

Int. J. Comput. Math., 2010

On the Inverse Of General Cyclic Heptadiagonal and Anti-Heptadiagonal Matrices

A. A. Karawia

CoRR, 2010

A New Algorithm for Inverting General Cyclic Heptadiagonal Matrices Recursively

A. A. Karawia

CoRR, 2010

2009

The use of the Sherman-Morrison-Woodbury formula to solve cyclic block tri-diagonal and cyclic block penta-diagonal linear systems of equations.

Milan Batista, Abdel Rahman A. Ibrahim Karawia

Appl. Math. Comput., 2009

2007

Two algorithms for solving a general backward tridiagonal linear systems.

A. A. Karawia

Appl. Math. Comput., 2007

Two algorithms for solving comrade linear systems.

A. A. Karawia

Appl. Math. Comput., 2007

An alternative computational algorithm for calculating the nonlinearity of regression models with two parameters.

S. A. El-Shehawy, A. A. Karawia

Appl. Math. Comput., 2007

2006

Inversion of general tridiagonal matrices.

Moawwad E. A. El-Mikkawy, Abdelrahman A. Karawia

Appl. Math. Lett., 2006

A computational algorithm for solving periodic penta-diagonal linear systems.

A. A. Karawia

Appl. Math. Comput., 2006