Keywords:electronic sensor,dynamic features,electromagnetic hammer,impact energy,Matlab package,size,microprocessor controller, ,, , Matlab, , , Institute for Population and Development Studies School of Public Policy and Administration Xi’an Jiaotong UniversityInstitute for Population and Development Studies School of Public Policy and Administration Xi’an Jiaotong UniversityInstitute for Population and Development Studies School of Public Policy and Administration Xi’an Jiaotong UniversityInstitute for Population and Development Studies School of Public Policy and Administration Xi’an Jiaotong UniversityThis analysis was partly supported by matlab programming Program for New Century Excellent Talents in University NCET of matlab programming Ministry of Education of China NCET040931, matlab programming 2nd period of matlab programming National 985 Project of matlab programming Ministry of Education and Treasury Department of China 07200701, and matlab seed grant AG01725306 from matlab programming Center for Demography and Economics of Health and Aging CDEHA at Stanford University. Direct correspondence to: Shuzhuo Li, Institute for Population and Development Studies, School of Public Policy and Administration, Xi’an Jiaotong University, Xi’an, Shaanxi Province, 710049, China. Email: . edu. cn; Tel: +862982665032, Fax: +862982665032. Abstract Using data from two surveys in three counties among which matlab programming prevalence of uxorilocal marriage varies tremendously, this paper analyzes consequences of marriage form, as well as individual, family, and social factors on son preference in matlab programming context of strict contraception in rural China. Theblock performs matlab programming exact operations on matlab programming inputs, then outputs matlab programming result. The Product block has two modes: Element wisemode, which tactics nonscalar inputs element by aspect, andMatrix mode, which tactics nonscalar inputs asmatrices. When you put Multiplication toElement wise. , matlab programming Product block is inElement wise mode, wherein it operates on matlab programming individualnumeric facets of any nonscalar inputs. operator. In element wisemode, matlab programming Product block can operate matlab variety of multiplication,department, and arithmetic inversion operations.