Principal component analysis(PCA)has been a prominent tool for high-dimensional data analysis.Online algorithms that est......

　　This paper studies hierarchical scheduling on two uniform machines with bounded job size.The first machine M1 receiv......

Ｆｅｒｍ ａｔ 场址问题要求在平面上寻找一点，使该点到一个给定点集中所有各点的距离之和取得最小值．联机Ｆｅｒｍ ａｔ场址问题进一步要求可以在给出点集中......