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- #Activite1
- #a=float(input("Entrer a:"))
- #ls1=[]
- #ls2=[]
- #X=0.7
- #for k in range(49):
- # ls1.append(k)
- # ls2.append(X)
- # X=a*X*(1-X)
- #print(ls2)
- #Activité2
- #a=float(input("Entrer a:"))
- #ls1=[]
- #ls2=[]
- #X=0.7
- #for k in range(49):
- # ls1.append(k)
- # ls2.append(X)
- # X=a*X*(1-X)
- #
- #import matplotlib.pyplot as mp
- #mp.plot(ls1,ls2,'b.',markersize=3.)
- #mp.show()
- #
- #mp.plot(ls1,ls2,'.')
- #mp.show()
- #Activité3
- #Lx=[]
- #Ly=[]
- #a=0.1
- #for i in range(20):
- # X=0.7
- # for k in range(50) :
- # X=a*X*(1-X)
- # Ly=Ly+[X]
- # Lx=Lx+[a]
- # a=a+0.1
- #import matplotlib.pyplot as mp
- #mp.plot(Lx,Ly,'b.',markersize=3.)
- #mp.show()
- #mp.plot(Lx,Ly,'.')
- #mp.show()
- #Activité4
- #La suite semble converger vers une valeur entre 0.7 et 0.8 lorsque a tend vers 2.
- #Cependant la variation de la suite semble independante de la valeur initiale de X.
- #Activité5
- #Lx=[]
- #Ly=[]
- #a=2
- #for i in range(1001,1201):
- # X=0.7
- # for k in range(50) :
- # X=a*X*(1-X)
- # Ly=Ly+[X]
- # Lx=Lx+[a]
- # a=a+0.005
- #import matplotlib.pyplot as mp
- #mp.plot(Lx,Ly,'b.',markersize=3.)
- #mp.show()
- #
- #mp.plot(Lx,Ly,'.')
- #mp.show()
- #La variation de la population est croissante
- #Activité6
- #Lx=[]
- #Ly=[]
- #a=2.9
- #for i in range(1001.1201):
- # X=0.7
- # for k in range(2200) :
- # X=a*X*(1-X)
- # Ly=Ly+[X]
- # Lx=Lx+[a]
- # a=a+0.005
- #import matplotlib.pyplot as mp
- #mp.plot(Lx,Ly,'b.',markersize=3.)
- #mp.show()
- #
- #mp.plot(Lx,Ly,'.')
- #mp.show()
- #Activité7
- #Lx=[]
- #Ly=[]
- #a=1
- #for i in range(1000):
- # X=0.7
- # for k in range(6000) :
- # X=a*X*(1-X)
- # Ly=Ly+[X]
- # Lx=Lx+[a]
- # a=a+0.005
- #
- #import matplotlib.pyplot as mp
- #mp.plot(Lx,Ly,'b.',markersize=3.)
- #mp.show()
- #
- #mp.plot(Lx,Ly,'.')
- #mp.show()
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