更多错误信息:
-> 1162 % (str(X.dtype), format))
1163 if len(footer) > 0:
1164 footer = footer.replace('\n', '\n' + comments)
TypeError: Mismatch between array dtype ('object') and format specifier ('%.18e,%.18e,%.18e,%.18e,%.18e,%.18e,%.18e,%.18e,%.18e')
savetxt
正在迭代的行rsf
,以及每次尝试创建一个可以写入文件的字符串。没有fmt
根据您的规范,它会尝试按列数重复的默认格式。这就是format specifier
.
这是一个基本的 Python 字符串格式化问题。
In [264]: row=rsf[1,:]
In [265]: row
Out[265]: array(['FREQ', 8, 9, 10, 11, 12, 13, 14, 15], dtype=object)
In [266]: '%s, %d, %d, %d, %d, %d, %d, %d, %d'%tuple(row)
Out[266]: 'FREQ, 8, 9, 10, 11, 12, 13, 14, 15'
所以你需要打电话savetxt
类似的东西:
In [267]: fmt='%s, %d, %d, %d, %d, %d, %d, %d, %d'
In [268]: np.savetxt('test.txt',rsf,fmt=fmt)
In [269]: cat test.txt
FREQ, 0, 1, 2, 3, 4, 5, 6, 7
FREQ, 8, 9, 10, 11, 12, 13, 14, 15
FREQ, 16, 17, 18, 19, 20, 21, 22, 23
FREQ, 24, 25, 26, 27, 28, 29, 30, 31
...
或者您可以使用通用“%s”来简化格式
In [270]: np.savetxt('test.txt',rsf,fmt='%5s',delimiter=',')
In [271]: cat test.txt
FREQ, 0, 1, 2, 3, 4, 5, 6, 7
FREQ, 8, 9, 10, 11, 12, 13, 14, 15
FREQ, 16, 17, 18, 19, 20, 21, 22, 23
FREQ, 24, 25, 26, 27, 28, 29, 30, 31
FREQ, 32, 33, 34, 35, 36, 37, 38, 39