| ประโยคภาษาจีน : 中文句子 | 
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|  duì对  gěi dìng给定  de的  tè zhēng zhí特征值  hè和  duì yìng对应  de的  tè zhēng xiàng liàng特征向量  tí chū提出  le了  duì chèn对称  zhèng jiāo正交  duì chèn对称  bàn半  zhèng dìng正定  jǔ zhèn矩阵  nì逆  tè zhēng zhí特征值  wèn tí问题  jí及  zuì jiā最佳  bī jìn逼近  wèn tí问题 | 
| From given eigenvalues and eigenvectors, the inverse eigenvalue problem of symmetric ortho-symmetric positive semi-definite matrices and its optimal approximate problem were considered. |