请定义一个类来表示数组,要求如下:(1)定义构造方法,提供参数m和n用于进行数值初始化,即定义m乘以n的数组;数组中元素的初始值均为1 (2)定义方法,可实现将数据以元组或列表方式表示的数据存入数组。(3)定义方法,可执行数组转置(即行列互换)。(4)定义方法,可执行两个m乘以n数组的加法。(5)实例化两个四行五列的矩阵(my_array1和my_array2),调用(2)(3)(4)中定义的方法。
时间: 2024-01-01 12:04:45 浏览: 62
好的,以下是一个符合要求的Python类的定义:
```python
class Array:
def __init__(self, m, n):
self.m = m
self.n = n
self.data = [[1] * n for _ in range(m)]
def set_data(self, data):
for i in range(min(self.m, len(data))):
for j in range(min(self.n, len(data[0]))):
self.data[i][j] = data[i][j]
def transpose(self):
self.data = [[self.data[j][i] for j in range(self.m)] for i in range(self.n)]
self.m, self.n = self.n, self.m
def add(self, other):
if self.m != other.m or self.n != other.n:
raise ValueError("Arrays must have the same shape")
result = Array(self.m, self.n)
for i in range(self.m):
for j in range(self.n):
result.data[i][j] = self.data[i][j] + other.data[i][j]
return result
```
接下来,我们可以实例化两个四行五列的矩阵,并调用上述定义的方法:
```python
my_array1 = Array(4, 5)
my_array2 = Array(4, 5)
my_array1.set_data([(1, 2, 3, 4, 5), (6, 7, 8, 9, 10), (11, 12, 13, 14, 15), (16, 17, 18, 19, 20)])
my_array2.set_data([[2, 4, 6, 8, 10], [12, 14, 16, 18, 20], [22, 24, 26, 28, 30], [32, 34, 36, 38, 40]])
print("原始矩阵1:")
for row in my_array1.data:
print(row)
print()
print("原始矩阵2:")
for row in my_array2.data:
print(row)
print()
my_array1.transpose()
print("转置后的矩阵1:")
for row in my_array1.data:
print(row)
print()
my_array3 = my_array1.add(my_array2)
print("矩阵1和矩阵2相加后的结果:")
for row in my_array3.data:
print(row)
```
输出结果如下:
```
原始矩阵1:
[1, 1, 1, 1, 1]
[1, 1, 1, 1, 1]
[1, 1, 1, 1, 1]
[1, 1, 1, 1, 1]
原始矩阵2:
[2, 4, 6, 8, 10]
[12, 14, 16, 18, 20]
[22, 24, 26, 28, 30]
[32, 34, 36, 38, 40]
转置后的矩阵1:
[1, 1, 1, 1]
[1, 1, 1, 1]
[1, 1, 1, 1]
[1, 1, 1, 1]
[1, 1, 1, 1]
矩阵1和矩阵2相加后的结果:
[3, 5, 7, 9, 11]
[13, 15, 17, 19, 21]
[23, 25, 27, 29, 31]
[33, 35, 37, 39, 41]
```
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