Journal of Applied Mathematics

Research Article

A Granular Reduction Algorithm Based on Covering Rough Sets

Table 3

Objects 𝐶 1 𝐶 3 𝐶 5 𝐶 7
𝑥 1 *   * *
𝑥 2 *    
𝑥 3 * *   
𝑥 4   * * *
𝑥 5   *   *
𝑥 6   **