Table 2 The parameter description of SEIR Model.
Parameter | Description |
---|---|
S(t) | The number of innovative knowledge holders at the time t. |
E(t) | The number of potential knowledge diffusion subjects at the time t. |
I(t) | The number of innovative subjects that diffuse existing knowledge at the time t. |
R(t) | The number of knowledge immunization innovation subject at the time t. |
\(\alpha\) | Knowledge diffusion rate. |
\(\theta\) | The ratio of potential knowledge diffusion agents with digital transmission capability to the number of |
knowledge diffusion agents. | |
\(\varepsilon\) | Transition probability from state E to state I. |
\(\omega\) | Transition probability from state E to state R. |
\({\gamma }\) | Transition probability from state I to state R. |
\(\mu\) | Removal rate per unit time. |
B | The number of immigrants in the regional innovation ecosystem per unit time. |