ΘΕΜΑ: Multiprocessing και Πολλαπλασιασμό Πινάκων

# -*- coding: cp1253 -*-
#MHN BALETE PRAKSEIS POY DEN ORIZONTAI
#oi pinakes poy ftiaxnei auto to programma einai oysiastika listes poy kathe stoixeio toys
#einai mia grammh toy pinaka
#p.x. o  A=[[2,3,3,4],[5,7,6,8],[1,0,3,7]] eiani enas pinakas 3*4
from random import *
import time
def tp(grammes,sthles):#dhmiourgia tyxaioy pinaka,pairnw ws orismata tis diastaseis toy
    L=[]
    for i in range(grammes):
        L.append([])
    for i in range(grammes):
        for j in range(sthles):
            L[i].append(randint(0,5))
    return L#epistrefei enan tyxaio pinaka
def gin(A,L,gr1,st1,gr2,st2):#ginomeno pinakwn,orismata:oi pinakes kai oi diastaseis tous
#gr1,st1:oi grammes kai sthles toy A &  gr2,st2 oi grammes kai oi sthles toy B
    B=[]
    for i in range(st2):
        B.append([])
    for i in range(st2):
        for j in range(gr2):
            B[i].append(L[j][i])
    V=[]
    for i in range(gr1):
        V.append([])
    for k in range(gr1):
        for i in range(st2):
            s=0
            for j in range(st1):
                s=s+A[k][j]*B[i][j]
            V[k].append(s)
    return V
#ektypwsh kathe pinaka,yparxei eidikh synarthsh gia thn ektypwsh gia na mhn ektypwnontai oi #pinakes ws listes
#alla me thn synhthismenh morfh twn pinakwn
def ektypwsh(A,gr,st):
    for j in range(int(gr)):
        s=""
        for i in range(int(st)):
            s=s+str(A[j][i])+"  "
        print s#typwnei kathe grammh toy pinaka ksexwrista
gr1=input("Δώσε τις γραμμές του 1ου πίνακα:")
st1=input("Δώσε τις στήλες του 1ου πίνακα:")
gr2=input("Δώσε τις γραμμές του 2ου πίνακα:")
st2=input("Δώσε τις στήλες του 2ου πίνακα:")
start_time=time.clock()#ksekinaei na metraei to xrono apo thn stimh pou dothikan oi diastaseis
D=tp(gr1,st1)
N=tp(gr2,st2)
C=gin(D,N,gr1,st1,gr2,st2)
print "Ο 1ος πίνακας είναι ο εξής:"
ektypwsh(D,gr1,st1)
print "Ο 2ος πίνακας είναι ο εξής:"
ektypwsh(N,gr2,st2)
print "Το γινόμενο των 2 πινάκων είναι:"
ektypwsh(C,gr1,st2)
print time.clock()-start_time,"seconds"#emfanizei to xrono>>

def get_random_matrix(n_rows, n_cols, low=0, high=5):
    """ Return a `rows x cols` matrix with random integers ∈ in `[low, high]`. """
    matrix = []
    for row in range(n_rows):
        column = [randint(low, high) for i in range(n_cols)]
        matrix.append(column)
    return matrix

def get_random_matrix2(n_rows, n_cols, low=0, high=5):
    """ Return a `rows x cols` matrix with random integers ∈ in `[low, high]`. """
    matrix = [[randint(low, high) for i in range(n_cols)] for row in range(n_rows)]
    return matrix