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Studies on Food Consumption Pattern (Part II)
- Source :
- Eiyo To Shokuryo. 23:606-609
- Publication Year :
- 1970
- Publisher :
- Japanese Society of Nutrition and Food Science, 1970.
-
Abstract
- One of the calculation methods of the future food consumption pattern was developed. A n dimensional pattern vector was thought to exist and move on the surface of the unit sphere in n dimensional space. A calculation method was studied on the next 2 assumptions, (1) a pattern moves on a straight line in the sphere surface, (2) infinite time is necessary to move from a boundary to another boundary of the first quadrant area.Firstly, a locus of pattern moving is expressed as vectors using a vector OPin which OA represents the present pattern, OB represents the past pattern and OP is a vector which has a right angle with vector OA. Secondly, the position of a future pattern is decided using the distance (radian) from the starting boundary point, according to the logistic curve equation, in which y is a distance from the starting point, t is a time and K, ao and a1 are parameters. In this study, the distance from the starting point to the targent point is used as the K value.
Details
- ISSN :
- 18838863
- Volume :
- 23
- Database :
- OpenAIRE
- Journal :
- Eiyo To Shokuryo
- Accession number :
- edsair.doi...........609f695366739d311b93c23bd878417e
- Full Text :
- https://doi.org/10.4327/jsnfs1949.23.606