设A为n阶非零矩阵,且A^2=A. r(A)=r (0<r<n)求|5E+A|

    科技2025-08-11  6

    设A为n阶非零矩阵,且A^2=A. r(A)=r (0<r<n) 求|5E+A|

    Processed: 0.025, SQL: 9