1) min-price matrix
最小价格矩阵
1.
A min-price matrix method to solve mix product-set pricing problem
混合成套产品定价最小价格矩阵解法
2) minimal matrix
最小矩阵
3) nearest-neighbor rating matrix
最近邻评价矩阵
1.
Taking the similarity of users as well as items into consideration,this paper proposes an algorithm to reduce dimensions of original rating matrix,thus obtaining a nearest-neighbor rating matrix which has small data scale but major influence on predicting ta.
将用户相似性和项目相似性结合起来,对原始评价矩阵进行降维处理,得到对目标评价预测影响最大、数据规模非常小的最近邻评价矩阵,在该矩阵上依照项目近邻程度不同对目标评价预测贡献不同的方法,对用户的邻居进行加权精选,对目标评价实现交错预测。
4) ma-trix of price-claim ratio
价格-索赔率矩阵
5) price covariance matrix
价格协方差矩阵
1.
The paper derives the formulation of the inverse of asset price covariance matrix of portfolio statistically which includes a risky position and many hedging instruments,and analyzes the statistical characteristics of the inverse matrix.
从统计学角度推导了风险头寸和多种套期保值工具所组成资产组合的价格协方差矩阵逆矩阵的表达式,分析了该表达式的统计学特征。
补充资料：最小辐亮度与最小辐照度(见核爆炸火球)
最小辐亮度与最小辐照度(见核爆炸火球)
minimum-brightness and minimum-irradiance
zuixiao fuliangdu yu zuixiaofu乙haodu最小辐亮度与最小辐照度(minimum-brightness and而nimum一irradianee)见核爆炸火球。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条