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Re: Common denominator in tables?


On 9/25/05 at 2:36 AM, kristophs.post at web.de (kristoph) wrote:

>Any idea how to get common denominators for tables or if possible
>for each row of the table? thanks.

First generate some data

In[1]:=
data = Table[
        Random[Integer, {2, 4}]*Random[Integer, {1, 10}], 
        {5}, {5}]
Out[1]=
{{24, 12, 27, 36, 15}, 
  {40, 12, 6, 32, 10}, 
  {9, 20, 20, 16, 24}, 
  {16, 14, 4, 12, 4}, 
  {12, 24, 4, 12, 6}}
 
then find the greatest common divisor of each row

In[2]:=
GCD@@@data
Out[2]=
{3, 2, 1, 2, 2}
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