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| Both sides previous revision Previous revision Next revision | Previous revision | ||
| 진화생물학:가지치기_과정 [2016/07/20 21:03] – [푸아송 분포] minjae | 진화생물학:가지치기_과정 [2026/08/13 15:05] (current) – [참고 문헌] admin | ||
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| \phi_{X_{n}} &=& E[s^{X_{n}}] \\ | \phi_{X_{n}} &=& E[s^{X_{n}}] \\ | ||
| &=& \sum_{k=0}^{\infty} E[s^{X_{n}} | X_{n-1} = k] P(X_{n-1} = k) \\ | &=& \sum_{k=0}^{\infty} E[s^{X_{n}} | X_{n-1} = k] P(X_{n-1} = k) \\ | ||
| - | &=& \sum_{k=0}^{\infty} E[s^{W_{1}+W_{2}+...+W_{k}] P(X_{n-1} = k)\\ | + | &=& \sum_{k=0}^{\infty} E[s^{W_{1}+W_{2}+...+W_{k}}] P(X_{n-1} = k)\\ |
| - | &=& \sum_{k=0}^{\infty} E(s^{W_{1}} E(s^{W_{1}}) \ldots E(s^{W_{k}}) P(X_{n-1} = k)\\ | + | &=& \sum_{k=0}^{\infty} E(s^{W_{1}}) E(s^{W_{1}}) \ldots E(s^{W_{k}}) P(X_{n-1} = k)\\ |
| &=& \sum_{k=0}^{\infty} \phi(s)^{k} P(X_{n-1} = k) \\ | &=& \sum_{k=0}^{\infty} \phi(s)^{k} P(X_{n-1} = k) \\ | ||
| &=& \phi_{X_{n-1}}(\phi(s)) | &=& \phi_{X_{n-1}}(\phi(s)) | ||
| Line 50: | Line 50: | ||
| 여기서 $\lambda$는 자식 수의 평균을 의미한다. | 여기서 $\lambda$는 자식 수의 평균을 의미한다. | ||
| ======참고 문헌====== | ======참고 문헌====== | ||
| - | https:// | + | * https:// |