的步骤如下:
以下是一个示例代码(使用Python语言):
def create_2d_array_from_file(file_path, delimiter):
with open(file_path, 'r') as file:
content = file.read()
lines = content.split('\n')
rows = len(lines)
cols = len(lines[0].split(delimiter))
array_2d = [[0 for _ in range(cols)] for _ in range(rows)]
for i in range(rows):
values = lines[i].split(delimiter)
for j in range(cols):
array_2d[i][j] = float(values[j])
return array_2d
def calculate_average(array_2d):
total = 0
rows = len(array_2d)
cols = len(array_2d[0])
for i in range(rows):
for j in range(cols):
total += array_2d[i][j]
average = total / (rows * cols)
return average
# 示例用法
file_path = 'data.txt'
delimiter = ' '
array_2d = create_2d_array_from_file(file_path, delimiter)
average = calculate_average(array_2d)
print("平均值:", average)
在上述示例代码中,create_2d_array_from_file
函数用于从文本文件创建二维数组,calculate_average
函数用于计算二维数组的平均值。你可以根据实际情况调整文件路径和分隔符。
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