2025-08-22524.59 KB5页
2025-08-22521.86 KB8页
2025-08-22524.07 KB28页
2025-08-22526.46 KB9页
2025-08-22520.2 KB12页
2025-08-22535.85 MB36页
2025-08-2251.94 MB46页
2025-08-2252.73 MB44页
2025-08-2252.66 MB40页
2025-08-2251.03 MB24页
2025-08-2253.37 MB21页
2025-08-2251.61 MB17页
2025-08-2252.4 MB20页
2025-06-02514.96 MB112页
2024-06-085477.29 KB7页
2024-06-085541 KB12页
2024-06-0851.28 MB10页
2024-06-0854.64 MB10页
向量组的线性相关性(一)例1设123,,为三维列向量,10,A为三阶方阵,且11212323,,AAA,求证123,,线性无关.证明：若使1122330kkk（*）则1122330kAkAkA，即11212323()()0kkk与式（*）相减,得21320kk（#）乘A得21320kAkA，即21312()0kk与（#）式相减得310k，由10，得30k,代入式（#）得20k,代入式（*）... 2024-06-0851.45 MB13页
2024-06-04531.81 KB12页
