On Solving Comrade Linear Systems Via Transformations

Recently, a new symbolic algorithm for solving comrade linear systems is given by Karawia [A. A. Karawia, Symbolic algorithm for solving comrade linear systems based on a modi fied Stair-Diagonal Approach, Appl. Math. Lett. 2013; 26:913-918.]. This paper introduces different numerical and symbolic algorithms for solving comrade linear systems via transformations. Our symbolic algorithm removes the cases where the numerical algorithms fail. The computational cost of these algorithms is given. It gives better absolute error than the other methods. The algorithm is implementable to the Computer Algebra System (CAS) such as MAPLE and MATLAB. Some illustrative examples are presented for the sake of illustration.