Re: Convert Products to Lists
- To: mathgroup at christensen.cybernetics.net
- Subject: [mg1147] Re: Convert Products to Lists
- From: hibbarda at central.edu (Al Hibbard)
- Date: Wed, 17 May 1995 05:19:25 -0400
- Organization: Central College, Iowa
In article <3p8ssc$6cr at news0.cybernetics.net>, bob at zim.uoregon.edu (Robert Zimmerman) writes:
>Is it possible to convert a product of numbers to a list of numbers.
>It can be done for symbols,
>
>
>a b c //.Times->List
>{a, b, c}
>
>but it doesn't work for numbers
>
>2 4 6//.Times->List
>48
>
>Can it be done?
The problem is with evaluation of the product before the replacement
takes place.
One solution is as follows:
(2 4 6//HoldForm)/.Times->List//ReleaseHold
{2, 4, 6}
Al Hibbard
--------------------------------------------------------------
| Al Hibbard Mathematics/Computer Science Dept. |
| hibbarda at central.edu Central College |
| (515) 628-5133 Pella, IA 50219 USA |
--------------------------------------------------------------