Re: Extract a part of expression
- To: mathgroup at smc.vnet.net
- Subject: [mg124334] Re: Extract a part of expression
- From: DrMajorBob <btreat1 at austin.rr.com>
- Date: Tue, 17 Jan 2012 03:24:51 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <201201162207.RAA15301@smc.vnet.net>
- Reply-to: drmajorbob at yahoo.com
Try a legal expression. That one isn't. Bobby On Mon, 16 Jan 2012 16:07:20 -0600, Miguel Gil <misvrne at gmail.com> wrote: > How I can extract the full numerator (or denominator) of an expression > of the form g (x) / w (x)?. > I tried to do with Numerator [expr], but returns a wrong result. I tried > with the attribute HoldForm [expr] and can not get the correct result. > > For example: > expr = (x ^ 2 Cos [x] (Sin [2x], Tan [x ]))/( E ^ x * x * Csc [x] ^ 2) > -- DrMajorBob at yahoo.com
- References:
- Extract a part of expression
- From: Miguel Gil <misvrne@gmail.com>
- Extract a part of expression