Re: The orde of product
- To: mathgroup at smc.vnet.net
- Subject: [mg123433] Re: The orde of product
- From: "Chris Degnen" <degnen at cwgsy.net>
- Date: Wed, 7 Dec 2011 06:14:34 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <jbk5ta$g3c$1@smc.vnet.net>
I'm pretty sure this isn't what you want: SameQ[a*b, b*a] Unprotect[Times]; Attributes[Times] = DeleteCases[Attributes[Times], Orderless]; Protect[Times]; SameQ[a*b, b*a] é?? å?? wrote: > > How can I do that a*b is unequal to b*a in Mathematica 7? > Thank you. >