Date: May 19, 2013 5:47 AM
Author: Bob Hanlon
Subject: Re: skipping some i, j , ... values in Table

sol = something @@@

DeleteCases[

Flatten[

Table[{i, j}, {i, 10}, {j, 10}],

1],

_?(PrimeQ[Total[#]] &)];

or

sol == something @@@

Select[

Flatten[

Table[{i, j}, {i, 10}, {j, 10}],

1],

! PrimeQ[Total[#]] &]

True

Bob Hanlon

On Sat, May 18, 2013 at 2:39 AM, Andre Hautot <ahautot@ulg.ac.be> wrote:

>

> Hi,

> Suppose I need a list, Flatten[Table[something[i,j],{i,10},{j,10}]],

> where some combinations of indices i and j are voluntarily missing under

> a known condition (for example, stupid I know, when i+j is a prime).

> How can I do that ?

> Thanks in advance,

> ahautot

>