Answers for "how to write numpy.ndarray to file"

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how to write a numpy array to a file in python

numpy.savetxt(fname, X, fmt='%.18e', delimiter=' ', newline='n', 
              header='', footer='', comments='# ', encoding=None)


x = y = z = np.arange(0.0,5.0,1.0)
np.savetxt('test.out', x, delimiter=',')   # X is an array
np.savetxt('test.out', (x,y,z))   # x,y,z equal sized 1D arrays
np.savetxt('test.out', x, fmt='%1.4e')   # use exponential notation

Posted by: Guest on March-15-2021

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