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MathGroup Archive 1996

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Re: Postfix (//) with Options?

  • To: mathgroup at
  • Subject: [mg4666] Re: Postfix (//) with Options?
  • From: phbrf at (Peter Breitfeld)
  • Date: Thu, 22 Aug 1996 03:55:18 -0400
  • Sender: owner-wri-mathgroup at

In <4v16ds$f8k at>, "Alex Scheitlin" <alex-s at> writes:
>I'm not sure it makes it makes it more readable but infix works. e.g.
>AES <siegman at> wrote in article
><4u9i7r$moj at>...
>> How can I use a postfix operation which has optional parameters and
>> the parameters in the postfix?  For example, how can I write   N[expr,k] 
>> as   expr // N  plus something to express a nondefault value for k ?
>> I particularly want to implement  Flatten[expr,1]  in postfix
>> form, because it seems more readable to have the expression (which may be
>> lengthy) come first, then the Flatten as an afterthought (reduces the
>> depth of brackets by one also).
expr // N[#,20]&  works to produce eg 20 digits.

 Peter Breitfeld, Saulgau, Germany 
         <phbrf at>


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