On Sep 11, 2011, at 2:58 AM, Robert Kern wrote: > On Sun, Sep 11, 2011 at 00:30, Travis Vaught <[email protected]> wrote: >> Greetings, >> >> Is there a particular reason why a list of lists can't be passed in to >> create a recarray given a particular dtype? >> >> A list of tuples works fine. I keep getting bitten by this and was thinking >> it should be an easy check/convert for an allowance for a row to be a list >> _or_ a tuple? > > As a rule, tuples are considered "scalar" records and lists are > recursed upon. This rule helps numpy.array() figure out which > sequences are records and which are other sequences to be recursed > upon; i.e. which sequences create another dimension and which are the > atomic elements. Otherwise, it has to make some guesses and do some > intelligent backtracking. It's not that intelligent. > > -- > Robert Kern
Thanks for the explanation. It makes a bit of sense -- at least to answer the question of what is being traded off here. Looks like simplicity and performance, perhaps, is being chosen over my convenience. Best, Travis _______________________________________________ NumPy-Discussion mailing list [email protected] http://mail.scipy.org/mailman/listinfo/numpy-discussion
