论文部分内容阅读
改进型低秩线性回归新方法
【出 处】
:
计算机科学
【发表日期】
:
2018年z1期
其他文献
氮、磷、钾,我国化肥行业的三大主要肥料品种,在经历了近十年的高速发展后,产能过剩、原材料价格、运输成本和出口政策等问题正严重制约着产业的发展.rn业内专家指出,目前中
In this paper we present an algorithm with a new trace-terminating conditionfor tracing along surface-surface intersection curves on surface boundaries, while s
AIM: Biliary stones are frequentty encountered in areas endemic for opisthorchiasis in Thailand. The present study was to describe the prevalence and pathogenes
髋臼复合骨折是一种严重而复杂的关节内骨折,多数由高能量创伤引起.我院自2001年12月~2005年12月,共收治髋臼复合骨折共16例,经切开复位内固定及精心康复护理,术后恢复良好,现
AIM: To describe the epidemiological features of peptic ulcer disease in Wuhan area during 1997-2002, to analyze the sex, age and occupation characteristics, as
中国托市行动的目标应该是帮助散户投资者有序清仓,同时让政府付出尽可能低的代价。换言之,托市举措不应以上证综指重回4500点这样的人为市场复苏为目标,而应以捍卫股市某个
Hepatitis B virus genotypes, phylogeny and occult infection in a region with a high incidence of hep
AIM: To determine the genotypes and phylogeny of hepatitis B viruses (HBVs) in asymptomatic HBV carriers, and the prevalence of occult HBV infection in Long An
目的评价新生儿乙肝疫苗普种预防乙型肝炎病毒(HBV)感染的长期免疫效果,探讨乙肝血源疫苗免疫持久性。方法出生队列定群研究结合横断面调查的方法,对象为1987—1989年出生并
AIM: To investigate the expression of CD34 and c-kit (receptor of stem cell factor) in cholangiocarcinoma.METHODS: Fifteen cases of intrahepatic cholangiocarcin