Re: How to =B1?
- To: mathgroup at smc.vnet.net
- Subject: [mg103684] Re: How to =B1?
- From: pfalloon <pfalloon at gmail.com>
- Date: Fri, 2 Oct 2009 08:24:35 -0400 (EDT)
- References: <ha2113$n6o$1@smc.vnet.net>
On Oct 1, 8:41 pm, olliH <oliver.hofh... at googlemail.com> wrote:
> Hi how do I make an expression with the =B1 Operator?
>
> In = x =B1 1
> Out = {x+1,x-1}
>
> (=B1 is the plus/minus symbol if this does not show up
> properly - moderator)
you can just go ahead and define it:
In[68]:= x_\[PlusMinus]y_ = {x+y,x-y}
Out[68]= {x + y, x - y}
In[69]:= 1\[PlusMinus]3
Out[69]= {4, -2}
Cheers,
Peter.