WebMar 21, 2024 · ValueError: fmt has wrong number of % formats: %d,%d,%d,%d,%f I haven't been able to create a fmt string that would suit my output. %s won't work for me here as I need the ability specify the format of the float. Is it possible to create a csv file from this type of structured array? python csv numpy Share Improve this question Follow WebSep 30, 2024 · np.savetxt (file_3, (A, x, y, z), fmt= ('%s %15.8f %15.8f %15.8f')) However, I get the following error: ValueError: fmt has wrong number of % formats np.savetxt (file_3, (x, y, z), fmt='%15.8f') and np.savetxt ('coord', atom, fmt='%s') work fine. I have tried several variations, but cannot seem to get it right. Thank you
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WebX : array_like Data to be saved to a text file. names : list, optional If given names will be the column header in the text file. fmt : str or sequence of strs A single format (%10.5f), a sequence of formats, or a multi-format string, e.g. 'Iteration %d -- %10.5f', in which case `delimiter` is ignored. delimiter : str Character separating columns. WebJan 13, 2015 · You can check this by printing f.dtype. You should instead build f like this f = np.zeros (1,dtype= (' S5, float64')) f [0] = e [0],d Refer to the docs on structured arrays specifically to this paragraph, if you don't understand the line above. At the time of printing f, you can choose a different format specifier. sick not sick
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WebNov 13, 2024 · shelper closed this as completed on Nov 16, 2024. Jeltje mentioned this issue. Bugs in v4.38. added a commit to vlukes/sfepy that referenced this issue. … WebApr 9, 2016 · The result is somewhat unexpected, yielding a 19*5*5 array. However, trying: arr=np.empty ( (19,1),dtype= [ ('a',' S1'), ('b', 'f4'), ('c', 'i'), ('d', 'f4'), ('e', 'f4')]) gives the proper length per row (5 fields), which apparently looks like a 1D array. When I am trying to write this, only this formatting is allowed: WebDec 18, 2024 · If you change your fmt arg to something like fmt= ['%10s', '%10s', '%10.3f'], then np.savetxt should work. It's possible you'll run into other errors, such as those relating to the format/contents of the array you're trying to save out. In order to sidestep any such potential errors, you may also want to temporarily add a line to your script like: the pickleball ranch in ravensdale