Re: Preventing unwanted threading by Inner
- To: mathgroup at smc.vnet.net
- Subject: [mg123516] Re: Preventing unwanted threading by Inner
- From: Chris Young <cy56 at comcast.net>
- Date: Sat, 10 Dec 2011 07:26:43 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <jbni23$47f$1@smc.vnet.net> <jbq4as$iu1$1@smc.vnet.net>
On 2011-12-08 10:42:36 +0000, Ray Koopman said:
> Inner[Times, {a1,a2,a3}, {b1,b2,b3}, Plus] /.
> Thread[{b1,b2,b3} -> HoldForm /@ {{b11,b12},{b21,b22},{b31,b32}}]
>
> a1 {b11,b12} + a2 {b21,b22} + a3 {b31,b32}
Thanks