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  • 大小: 4KB
    文件類(lèi)型: .zip
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    發(fā)布日期: 2021-01-02
  • 語(yǔ)言: Python
  • 標(biāo)簽: PSO??Python??

資源簡(jiǎn)介

自己手?jǐn)]Python版pso算法代碼,自己手寫(xiě)一遍有不同收獲!

資源截圖

代碼片段和文件信息

#?coding=utf-8
import?random
import?math
maxiter=300
popnum=30
vardim=3
lowbound=[000]
uppbound=[101010]
k=0.4

def?initialv(m=popnumn=vardim):
????v=[[0]*n?for?i?in?range(m)]
????global?vminvmax
????vmax=[k*(uppbound[i]-lowbound[i])?for?i?in?range(vardim)]
????vmin=[-l?for?l?in?vmax]
????for?i?in?range(m):
????????for?j?in?range(n):
????????????v[i][j]=random.uniform(vmin[j]vmax[j])
????return?v
????
def?function(x):
????n=len(x)
????y=[0]*n
????for?i?in?range(1n):
????????y[i]=pow(x[i][0]2)+pow(x[i][1]3)-pow(x[i][2]3)
????return?y

def?caidian(m=popnumn=vardim):
????initialsamples=[[0]*n?for?i?in?range(m)]
????for?i?in?range(m):
????????for?j?in?range(n):
????????????initialsamples[i][j]=random.uniform(lowbound[j]uppbound[j])
????return?initia

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????文件????????2858??2018-05-28?15:33??cpsopy\cpso.py
?????文件????????3219??2018-05-28?15:37??cpsopy\cpso.pyc
?????文件????????9805??2018-05-28?15:37??cpsopy\data.txt
?????文件??????????37??2018-05-28?15:37??cpsopy\test1.py
?????目錄???????????0??2018-05-28?15:37??cpsopy\

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