import numpy as np
from math import *
import numpy.random as rd

#exercice section 9
#testons
#question 1
U=rd.random()
#question 2 et 3
M=np.zeros((10,100))
for k in range(10):
    for i in range(100):
        M[k,i]=rd.random()
#on peut définir Vi comme M[i,]
V1=M[1,]
V2=M[2,]
V3=M[3,]
#etc...si on veut
#question 4
Mu=np.zeros(10)
for k in range(10):
    Mu[k] = np.mean(M[k,])
print(Mu)
sig=np.zeros(10)
for k in range(10):
    sig[k] = np.std(M[k,])
print(sig)
#question 5
Synth=np.zeros((2,10))
for l in range(10):
    Synth[0,l]=Mu[l]
    Synth[1,l]=sig[l]
print("Synth=", Synth)
#question 6
import mathplotlib.pyplot as plt