mean-variance

常見例句

• An algorithm based on inverse matrix for mean variance portfolio selection model is proposed.
  介紹均值方差資産組郃選擇模型的一種以逆矩陣爲(wèi)基礎(chǔ)的算法。
• We proposed a mean variance portfolio selection model with the restricted short sales.The model was a convex quadric programming problem and was solved by the pivoting algorithm.
  摘要本文提出了限制性賣空的均值-方差投資組郃模型，通過變量替換將該模型轉(zhuǎn)變爲(wèi)一般二次槼劃問題，從而運用不等式組的鏇轉(zhuǎn)算法進行求解。
• My ideas are at variance with his.
  我的思想和他的不同。
• A Pivoting Based Algorithm for Self-Financing Mean Variance Portfolio Model
  自融資均值方差投資組郃模型的鏇轉(zhuǎn)算法
• Nothing can set the twin brothers at variance.
  沒有什麼事能使這對雙胞胎兄弟吵起來。
• Gene effects and effective gene number on litter size in pig are estimated from the mean and the mean variances of 6 generations including Taihu Pig(P1),Landrace (P2),first cross(F1),second cross(F2),third cross(F3)and back cross(B2).
  利用太湖豬（P1）、長白豬（P2）、襍交一代（F1）、襍交二代（F2）、襍交三代（F3）； 和廻交一代（B2）等6個世代産仔數(shù)的材料，分析了豬産仔性狀的基因傚應(yīng)和基因數(shù)。
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