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Re: How to remove the Null character in a Table?
*To*: mathgroup at smc.vnet.net
*Subject*: [mg124353] Re: How to remove the Null character in a Table?
*From*: Bill Rowe <readnews at sbcglobal.net>
*Date*: Tue, 17 Jan 2012 03:31:27 -0500 (EST)
*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com
On 1/16/12 at 5:11 PM, aoirex at gmail.com (Rex) wrote:
>For example,
>Table[If[i < 3, i,], {i, 5}] will give {1, 2, Null, Null, Null}
>But I want the result to be {1,2}.
>Any trick for this?
It is trivial to filter the Null. For example:
In[5]:= Cases[Table[If[i < 3, i], {i, 5}], _?NumericQ]
Out[5]= {1,2}
or simply use code that doesn't generate a Null, i.e.,
In[6]:= Cases[Range[5], _?(# < 3 &)]
Out[6]= {1,2}
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