Pattern matching in functions
- To: mathgroup at smc.vnet.net
- Subject: [mg54379] Pattern matching in functions
- From: Maximilian Ulbrich <mulbrich at berkeley.edu>
- Date: Sat, 19 Feb 2005 02:32:49 -0500 (EST)
- Organization: University of California, Berkeley
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
I would like to find subexpressions using Cases.
In the following case, I expected to find a[b] and a[c] and therefore
get {b,c} as the result. However, I get {l,l}.
What happens and how can I solve this?
Cases[l^4*a[b][l] + l*a[c][l], x_a[y_] -> y, {0, Infinity}]
Thanks,
Max
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