Re: ReplaceRepeated in case of non ordered expressions
- To: mathgroup at smc.vnet.net
- Subject: [mg108086] Re: ReplaceRepeated in case of non ordered expressions
- From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
- Date: Mon, 8 Mar 2010 06:12:10 -0500 (EST)
- References: <hmvu9c$3nb$1@smc.vnet.net>
It's not particularly clear what your problem is but can't you use Set Dealyed (:=) ? x := a + b y := c + d a := z + t b := y x c + d + t + z Cheers -- Sjoerd On Mar 7, 12:14 pm, Maria Davis <arbi... at gmail.com> wrote: > Hi; > I have such equations: > x=a+b > y=c+d > a=z+t > b=y > > I want to use mathematica in order to simplify x and obtain: x=z+t+c > +d > I have used: [x,Listofequations] > This function is available if I have equations written in the > following order: > x=a+b > a=z+t > b=y > y=c+d > > but in the case of non ordered equations, it doesn't work. Further, I > must use equations in the order given. > Please can you help me. > Thanks