'''from matmul import readm,matmul
A = readm('A.csv')
b = readm('b.csv')
c = matmul(A,b)
print(c)'''
from matmul import readm, matmul
AA = 'A.csv'
BB = 'b.csv'
print(matmul(readm(AA), readm(BB)))
import matmul
A = matmul.readm('A.csv')
b = matmul.readm('b.csv')
C = matmul.matmul(A, b)
for row in C:
print(row)
# 1. read mt A from 'A.csv' #import pandas as pd #import csv from matmul import readm, matmul #1.read matrix A from A = 'A.csv' #2.read matrix b from 'b.csv' b = 'b.csv' print(matmul(readm(A),readm(b)))
from matmul import readm, matmul
#1. readm matrix A from 'A.scv'
A = readm('A.csv')
#2. read matrix b from 'b.csv'
b = readm('b.csv')
#3.find the result of C = A x b
#4.printC
C = matmul(A,b)
print('....')
for row in C:
print(row)
print('....')
#import numpy as np
#D = np.dot(np.array(A), np.array(b))
#print(D)
import numpy as np
import matmul
A = matmul.readm('A.txt')
b = matmul.readn('b.txt')
def guass(A,b):
a = np.array(A)
n = len(a)
b = np.array(b)
for k in range(0, n-1):
for i in range(k+1, n):
if a[i,k] != 0.0:
lam = a[i,k]/a[k,k]
a[i,k+1:n] = a[i, k+1:n] - lam*a[k,k+1:n]
b[i] = b[i] - lam*b[k]
x=[0]*n
for k in range(n-1, -1, -1):
x[k] = (b[k] - np.dot(a[k,k+1:n], x[k+1:n]))/a[k,k]
return x
for i in guass(A,b):
print(i)
from matmul import readm, matmul afile = 'A.csv' bfiel = 'b.csv' print(matmul(readm(afile), readm(bfiel)))
import matmul
A = matmul.readm('A.csv')
b = matmul.readn('b.csv')
for i in matmul.matmul(A,b):
print(i)
from matmul import readm, matmul
#1. read matrix A from 'A.csv'
A = readm('A.csv')
#2. read matrix A from 'A.csv
A = readm('b.csv')
#3. find the result of C = A x b
def matmul(A, b):
m, n = len(A), len(b[0])
J = len(A[0]) # A-mxJ #b -Jxn
if len(A[0]) == len(b):
#C = [ [0]*n for i in range(n) ]
C = [[0] * n] * m
# A[0][0]*b[0][0] + A[0][1]*b[1][0] + A[0][2]*b[2][0]
for r in range(m):
for c in range(n):
C[r][c] = sum(
[float(A[c][j]) * float(b[j][c]) for j in range(J)])
return C
return [] # ไม่สามารถดูได้
#4. print C
print(matmul(A, b))
C = matmul(A, b)
for row in C:
print(row)
print(".....")
