Comparison of Three Measures to Promote National Fitness in China by Mathematical Modeling

Table 2

Parameters.

Parameters	Description
𝑟	Intrinsic rate of increase of human
𝐾	Carrying capacity of population
𝛼1	Automatic transformation rate of individual from the class 𝑥 to the class 𝑦 because of propaganda
𝛼2	Automatic transformation rate of individual from the class 𝑥 to the class 𝑧 because of propaganda
𝛽1	Transformation rate of individual from the class 𝑥 to the class 𝑦 by contacting individuals at the class 𝑦
𝛽2	Transformation rate of individual from the class 𝑥 to the class 𝑦 by contacting individuals at the class 𝑧
𝛽3	Transformation rate of individual from the class 𝑥 to the class 𝑧 by contacting individuals at the class 𝑧
𝛽4	Transformation rate of individual from the class 𝑦 to the class 𝑧 by contacting individuals at the class 𝑧
𝛾1	Automatic transformation rate of individual from the class 𝑧 to the class 𝑦 because of the lack of sports facilities
𝛾2	Automatic transformation rate of individual from the class 𝑧 to the class 𝑥 because of the lack of sports facilities
𝛾3	Automatic transformation rate of individual from the class 𝑦 to the class 𝑥 because of the lack of sports facilities
𝜇	Death rate of human