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Math Forum » Discussions » Software » comp.soft-sys.math.mathematica

Topic: Subscript on plus expression
Replies: 16   Last Post: Dec 3, 2012 3:18 AM

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Murray Eisenberg

Posts: 2,031
Registered: 12/6/04
Re: Subscript on plus expression
Posted: Nov 18, 2012 5:16 PM
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On Nov 18, 2012, at 3:57 AM, Dave Snead <dsnead6@charter.net> wrote:

> Mathematica fails to parenthesize the a+b in
> Subscript[Plus[a,b],k]
>
> so the output looks identical to
> Plus[a,Subscript[b,k]]
>
> Is this a bug?
> Is there an option to force the parentheses?

I don't know off hand of any such option, but is it so unreasonable to
insert parentheses explicitly in the first? After all, that's surely
what you'd do if writing it with pencil on paper!

---
Murray Eisenberg
murray@math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower phone 413 549-1020 (H)
University of Massachusetts 413 545-2838 (W)
710 North Pleasant Street fax 413 545-1801
Amherst, MA 01003-9305

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