Re: Two questions related to Arrays
- To: mathgroup at smc.vnet.net
- Subject: [mg113313] Re: Two questions related to Arrays
- From: Murray Eisenberg <murray at math.umass.edu>
- Date: Sat, 23 Oct 2010 07:05:51 -0400 (EDT)
Are you confounding.. (1) Array, which is a built-in object in Mathematica that can be used to produce lists as its results; with (3) "array" as the term is often used? The first argument is a List, not an Array, albeit a nested list. On 10/22/2010 1:35 AM, Sam Takoy wrote: > Hi, > > First, why doesn't the following return the first two elements of the > outer list: > > > Cases[{{{1}, {2}}, {3, 4}, {{5}, 6}}, _Array] > > > > Second, I'm looking for help writing a function > > f[t__]:= > > that returns Outer[Times, u] where u only includes the input variables > that are Arrays. > > > Many thanks in advance, > > Sam > -- Murray Eisenberg murray at math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305