• 2022-05-27
    设 [tex=2.0x1.214]vnzjVhyzo/NIhVUgFyjLlA==[/tex] 是 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex] 阶实对称矩阵, 满足 [tex=5.786x1.143]FBvmHPQZC7KqKlnymclSnA==[/tex], 证明: 若 [tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex] 半正定, 则存在正交矩阵 [tex=0.857x1.0]3dL6VJHKHZnugLK8MQRDDg==[/tex], 使得[tex=30.071x1.429]BSG6G7L3wAj8ciPRLiHPckMJS8PYTWfekCpwsdwoojTAbMjxZuX/wUpbOwSpSxLIJAz8SwNzSWyfIH7eFYmX/uAMDQfsEek9XL+yfJS8+sUKWqE0OcoUvsvSMg3bi02/cyvGmdicSEG9BNoVUpdkPOay6xz5bIhAokZZHkdNZrdASjwE76wIWbaXniES2L9EN/7uKCUVuXrFaB5vGFI/z1cqy4TAB7BCDMk0P0F1xXR6ulTIG1jl92ukn8YSBr3OnasaVfREN/JCnIVJTmNh4g==[/tex]