On Thu, Jan 17, 2013 at 8:54 AM, Jim Vickroy <jim.vick...@noaa.gov> wrote:
> On 1/16/2013 11:41 PM, Nathaniel Smith wrote: > > On 16 Jan 2013 17:54, <josef.p...@gmail.com> wrote: > > >>> a = np.random.random_integers(0, 5, size=5) > > >>> b = a.sort() > > >>> b > > >>> a > > array([0, 1, 2, 5, 5]) > > > > >>> b = np.random.shuffle(a) > > >>> b > > >>> b = np.random.permutation(a) > > >>> b > > array([0, 5, 5, 2, 1]) > > > > How do I remember if shuffle shuffles or permutes ? > > > > Do we have a list of functions that are inplace? > > I rather like the convention used elsewhere in Python of naming in-place > operations with present tense imperative verbs, and out-of-place operations > with past participles. So you have sort/sorted, reverse/reversed, etc. > > Here this would suggest we name these two operations as either shuffle() > and shuffled(), or permute() and permuted(). > > > I like this (tense) suggestion. It seems easy to remember. --jv > > > And another score for functions as verbs! :-P Ben Root
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