[英]Save vectors to file in Python with NumPy
I have a variable with a numeric value, a variable with a string value, and two vectors defined with NumPy 我有一个带数字值的变量,一个带字符串值的变量以及两个用NumPy定义的向量
a = 10
b = "text string"
positions = np.array([])
forces = np.array([])
I want to save these values to a file. 我想将这些值保存到文件中。 I've used http://docs.scipy.org/doc/numpy/reference/generated/numpy.savetxt.html to save the two vectors with
我已经使用http://docs.scipy.org/doc/numpy/reference/generation/numpy.savetxt.html来保存两个向量
np.savetxt('test.out', (positions,forces))
but I also need to store the values of a
and b
. 但是我还需要存储
a
和b
的值。
How is this possible? 这怎么可能?
Personally I would recommend using numpy.savez
and numpy.load
. 我个人建议使用
numpy.savez
和numpy.load
。 For example: 例如:
numpy.savez('test.npz', a=a, b=b, positions=positions, forces=forces)
You can load it again like this: 您可以像这样再次加载它:
data = numpy.load('test.npz')
a = data['a']
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