Re: How to use Pick[]; Is this a bug?
- To: mathgroup at smc.vnet.net
- Subject: [mg127699] Re: How to use Pick[]; Is this a bug?
- From: Peter Pein <petsie at dordos.net>
- Date: Wed, 15 Aug 2012 03:37:06 -0400 (EDT)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- Delivered-to: l-mathgroup@wolfram.com
- Delivered-to: mathgroup-newout@smc.vnet.net
- Delivered-to: mathgroup-newsend@smc.vnet.net
- References: <k0d1sm$lvc$1@smc.vnet.net>
Am 14.08.2012 10:22, schrieb benp84 at gmail.com:
> In[1]:= Pick[{1, 2, 3, 4, 5}, {9, 0, 7, 0, 6}, Except[0]]
> Out[1]:= {1, 2, 3, 4, 5}
>
> Shouldn't this return {1, 3, 5}, since these are the corresponding elements that match Except[0]?
>
Hi,
the whole list {9, 0, 7, 0, 6} is unequal to the Integer 0.
What you want is:
Pick[{1, 2, 3, 4, 5}, {9, 0, 7, 0, 6}, Except[0, _Integer]]
Cheers,
Peter