TypeError unhashable type numpy ndarray

Question

From a text file containing three columns of data I want to be able to just take a slice of data from all three columns where the values in the first column are equal to the values defined in above  I then want to put the slice of data into a new array called slice  I am using Python 2 7   above   range 18000  18060  5   data   np loadtxt open  data txt    delimiter None   energies    np hsplit data  3   0   slice   set energies  amp set above    The above comes back with   Traceback  most recent call last     File   lt pyshell 27 gt    line 1  in  lt module gt      set energies  amp set above  TypeError  unhashable type   numpy ndarray

User · Answer

numpy ndarray can contain any type of element  e g  int  float  string etc  Check the type an do a conversion if neccessary

User · Answer

Your variable energies probably has the wrong shape    gt  gt  gt  from numpy import array  gt  gt  gt  set  1 2 3    amp  set range 2  10   set  2  3    gt  gt  gt  set array  1 2 3     amp  set range 2 10   set  2  3    gt  gt  gt  set array   1 2 3       amp  set range 2 10   Traceback  most recent call last     File   lt stdin gt    line 1  in  lt module gt  TypeError  unhashable type   numpy ndarray    And that s what happens if you read columnar data using your approach    gt  gt  gt  data array     1     2     3              3     4     5              5     6     7              8     9    10      gt  gt  gt  hsplit data 3  0  array    1             3             5             8       Probably you can simply use   gt  gt  gt  data   0  array   1    3    5    8      instead    P S  Your code looks like it s undecided about whether it s data or elementdata   I ve assumed it s simply a typo

[python] TypeError: unhashable type: 'numpy.ndarray'

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