Secondly, a new coupling model based on the combination of improved SEIR model and HAM model is proposed. The traditional SEIR epidemiological model is improved, and empirical simulation experiments are carried out in combination with heterogeneous subject model. The model overcomes the defects of only the surface phenomena depicted from the macrodynamic model. The coupling model can explain the nonlinear dynamics mechanism of new product diffusion from the microlevel level, and build a bridge between macro microscopic.
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