1.13下标的应用 ■矩阵元素的添加和删除 >>A(4,2)=[] ?? Indexed empty matrix assignment is not allowed. A(:,5)=[] >>A(4,5)=17 A 16 3 0 11 10 8 11 8 12 7 12 15 17 14 15 c1信号分析基础-5/24 Kunming University of Science& Technology(C.1 信号分析基础-5/24 Kunming University of Science & Technology 1.1.3 下标的应用 ◼ 矩阵元素的添加和删除