#!/usr/bin/python # -*- coding: utf-8 -*- ############################################### # Una dimension n = 2 # Una forma de definirla d1 = [0] * n print(d1) for k in range(n): print(" ", d1[k], end="") print("\n\n") # Otra forma de definirla d1 = [0 for col in range(n)] print(d1) for k in range(n): print(" ", d1[k], end="") print("\n\n") ############################################### # Dos dimensiones n = 3 m = 3 # Primera forma de definir M = [] for i in range(n): M.append([0] * m) print(M) # Matriz identidad for i in range(n): M[i][i] = 1 # visualiza for i in range(n): for j in range(m): print(" ", M[i][j], end="") print("") # Segunda forma de definir d2 = [[0 for col in range(n)] for row in range(m)] print(d2) # visualiza for j in range(m): for k in range(n): print(" ", d2[j][k], end="") print("") print("\n\n") # Matriz de tamaƱo variable import random n = int(input("\nNumero de filas: ")) a = int(input("\nMin. de columna en la fila: ")) b = int(input("\nMax. de columna en la fila: ")) # para crear M = [] for i in range(n): C = [] for j in range(random.randint(a, b)): C.append(random.randint(1, 5)) M.append(C) # Para visualizar for i in range(len(M)): print("[ ", end="") for j in range(len(M[i])): print(" ", M[i][j], end="") print(" ]") ############################################### # Tres dimensiones n = 4 m = 5 o = 6 d3 = [[[0 for col in range(n)] for row in range(m)] for x in range(o)] d3[0][0][0] = 1 d3[1][2][1] = 144 d3[4][3][0] = 3.12 d3[5][4][3] = 2 print(d3) for i in range(o): for j in range(m): for k in range(n): print(" ", d3[i][j][k], end="") print("") print("")