设分块实对称矩阵 [tex=7.214x2.786]Kz/o07mNehCgwSeK1E3mwPLwwc5QkJSWRsp6GiZ0lXp1tzGiTyEqcWXJGjw0cyxwldE6HtmGI9kWEuoLfJ0lqVxmqug2hVlDusJT5blD4gw=[/tex], 其中 [tex=2.0x1.214]+hJWInEjZxEp+ROBrtaQZg==[/tex] 都可逆, 求证: [tex=21.143x3.5]Ck4j1YFlvVH5wCAykOEMi9cqHKFnbc5zfcQJ8wxjo94Y0oiIakz5hF566bfgBVfbMbfMf0WQNNg6z5IqRPYBS/+Cwwhr0fun6+2vtSGMG5Ggh8nuzSig3x9Eo9q81MOl1oTQlDb8A1Bng655nJGbfWPIdcZaKZDk8pICzAJ3HQN9b+bIYTXR3v7vgDITekShm3qXmT/pUcZqfXV0y4ICpCgWTp89ZLRjPH4sZn71Uf+ieZzGgAoJkFSYdElA1uQzC2QHSdnrgHivXtknwmUWhJJUfAzcAzmgyr8Q/cl7WF2b2Bhc6YLmNB5nNRHJT3tp[/tex]
设分块实对称矩阵 [tex=7.214x2.786]Kz/o07mNehCgwSeK1E3mwPLwwc5QkJSWRsp6GiZ0lXp1tzGiTyEqcWXJGjw0cyxwldE6HtmGI9kWEuoLfJ0lqVxmqug2hVlDusJT5blD4gw=[/tex], 其中 [tex=2.0x1.214]+hJWInEjZxEp+ROBrtaQZg==[/tex] 都可逆, 求证: [tex=21.143x3.5]Ck4j1YFlvVH5wCAykOEMi9cqHKFnbc5zfcQJ8wxjo94Y0oiIakz5hF566bfgBVfbMbfMf0WQNNg6z5IqRPYBS/+Cwwhr0fun6+2vtSGMG5Ggh8nuzSig3x9Eo9q81MOl1oTQlDb8A1Bng655nJGbfWPIdcZaKZDk8pICzAJ3HQN9b+bIYTXR3v7vgDITekShm3qXmT/pUcZqfXV0y4ICpCgWTp89ZLRjPH4sZn71Uf+ieZzGgAoJkFSYdElA1uQzC2QHSdnrgHivXtknwmUWhJJUfAzcAzmgyr8Q/cl7WF2b2Bhc6YLmNB5nNRHJT3tp[/tex]
1