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March 19, 2021 02:30
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#!/usr/bin/env python | |
# definimos una matriz estática | |
# de 3 * 3 | |
A = [ | |
[1, 2, 3], | |
[4, 5, 6], | |
[7, 8, 9] | |
] | |
B = [ | |
[10, 11, 12], | |
[13, 14, 15], | |
[16, 17, 18] | |
] | |
C = [ | |
[19, 20, 21], | |
[22, 23, 24], | |
[25, 26, 27] | |
] | |
D = [ | |
[9, 10, 11, 12], | |
[13, 14, 15, 16], | |
[17, 18, 19, 20] | |
] | |
def sumar_dos_matrices(matrix_a: list[list], matrix_b: list[list]): | |
# definimos una matrix resultado | |
matrix_r = [ | |
[0, 0, 0], | |
[0, 0, 0], | |
[0, 0, 0] | |
] | |
for i in range(len(matrix_a)): | |
for j in range(len(matrix_b)): | |
#print (f'sumando {matrix_a[i][j]}, {matrix_b[i][j]}') | |
matrix_r[i][j] = matrix_a[i][j] + matrix_b[i][j] | |
#print ('') | |
print ("imprimiendo resultados") | |
for resultado in matrix_r: | |
print (resultado) | |
print ('') | |
def resta_dos_matrices_una(matrix_a: list[list], matrix_b: list[list]): | |
# definimos una matrix resultado | |
matrix_r = [ | |
[0, 0, 0], | |
[0, 0, 0], | |
[0, 0, 0] | |
] | |
for i in range(len(matrix_a)): | |
for j in range(len(matrix_b)): | |
#print (f'restando {matrix_a[i][j]}, {matrix_b[i][j]}') | |
matrix_r[i][j] = matrix_a[i][j] - matrix_b[i][j] | |
#print ('') | |
print ("imprimiendo resultados") | |
for resultado in matrix_r: | |
print (resultado) | |
print ('') | |
def resta_dos_matrices_dos(matrix_a: list[list], matrix_b: list[list]): | |
return [[i - j for i, j in zip(*m)] for m in zip(matrix_a, matrix_b)] | |
def resta_dos_matrices_una(matrix_a: list[list], matrix_b: list[list]): | |
# definimos una matrix resultado | |
matrix_r = [ | |
[0, 0, 0], | |
[0, 0, 0], | |
[0, 0, 0] | |
] | |
for i in range(len(matrix_a)): | |
for j in range(len(matrix_b)): | |
#print (f'restando {matrix_a[i][j]}, {matrix_b[i][j]}') | |
matrix_r[i][j] = matrix_a[i][j] - matrix_b[i][j] | |
#print ('') | |
print ("imprimiendo resultados") | |
for resultado in matrix_r: | |
print (resultado) | |
print ('') | |
def multiplicacion_dos_matrices_una(matrix_c: list[list], matrix_d: list[list]): | |
# definimos una matrix resultado | |
matrix_r = [ | |
[0, 0, 0, 0], | |
[0, 0, 0, 0], | |
[0, 0, 0, 0] | |
] | |
for i in range(len(matrix_c)): | |
for j in range(len(matrix_d[0])): | |
for k in range(len(matrix_d)): | |
matrix_r[i][j] += matrix_c[i][k] * matrix_d[k][j] | |
#print ('') | |
print ("imprimiendo resultados") | |
for resultado in matrix_r: | |
print (resultado) | |
print ('') | |
def multiplicacion_dos_matrices_dos(matrix_c: list[list], matrix_d: list[list]): | |
return [ | |
[sum(m * n for m, n in zip(i, j)) for j in zip(*matrix_d)] for i in matrix_c | |
] | |
def multiplicacion_scalar_uno(matrix_a: list[list], veces: int) -> list[list]: | |
# definimos una matrix resultado | |
matrix_r = [ | |
[0, 0, 0], | |
[0, 0, 0], | |
[0, 0, 0] | |
] | |
for i, fila in enumerate(matrix_a): | |
for j, valor in enumerate(fila): | |
matrix_r[i][j] = valor * veces | |
print (matrix_r) | |
print ('') | |
def multiplicacion_scalar_dos(matrix_a: list[list], veces: int) -> list[list]: | |
return [[valor * veces for valor in fila] for fila in matrix_a] | |
print (" solución a suma de dos matrices") | |
sumar_dos_matrices(A, B) | |
print (" solución 1 a resta de dos matrices") | |
resta_dos_matrices_una(A, B) | |
print (" solución 2 a resta de dos matrices") | |
print (resta_dos_matrices_dos(A, B)) | |
print ('') | |
print (" solución 1 a multiplicación de dos matrices") | |
multiplicacion_dos_matrices_una(C, D) | |
print (" solución 2 a multiplicación de dos matrices") | |
print (multiplicacion_dos_matrices_dos(C, D)) | |
print ('') | |
print (" solución 1 a multiplicación escalar") | |
multiplicacion_scalar_uno(B, 3) | |
print (" solución 2 a multiplicación escalar") | |
print (multiplicacion_scalar_dos(B, 3)) | |
print ('') |
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Dice C bro