题解 | #矩阵乘法#
矩阵乘法
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import sys ''' 矩阵A和矩阵B的信息的初始化 ''' Aline = int(input()) Arow = int(input()) Bline = Arow Brow = int(input()) A = [] B = [] ''' 将AB 矩阵的数据添加到列表中 ''' for i in range(Aline): row = list(map(int,input().split(" "))) A.append(row) for i in range(Bline): row = list(map(int,input().split(" "))) B.append(row) def MatrixMultiplication(Aline,Arow,Bline,Brow,A,B): ''' 矩阵的运算结果先遍历A的行,再遍历B的列,再设置一个变量k,K的大小为矩阵A的列数或者B的行数 ''' #初始化一个矩阵C,用来存放运算结果 C=[[0]*Brow for i in range(Aline)] for i in range(Aline): for j in range(Brow): for k in range(Bline): temp = A[i][k] * B[k][j] C[i][j] += temp #print(C) for i in range(Aline): for j in range(Brow): print(C[i][j],end=" ") #输出完一行以后,打印一个空行,换行输出 print() MatrixMultiplication(Aline,Arow,Bline,Brow,A,B)