Re: Default value
- To: mathgroup at smc.vnet.net
- Subject: [mg74878] Re: Default value
- From: "Szabolcs" <szhorvat at gmail.com>
- Date: Mon, 9 Apr 2007 06:17:58 -0400 (EDT)
- References: <evabdq$dav$1@smc.vnet.net>
On Apr 8, 11:08 am, "Bruno Campanini" <B... at gmail.com> wrote: > I have a function f [ i_, m_, iv_ ] and would like > to have a default value for iv equal to i. > > I neither can write f [ i_, m_, iv_: i_ ], nor f [ i_, m_, iv_ : i ] > ans the error "Default value for iv_ contains a pattern" arises. > > Any workaround? > > Bruno f[i_, m_, iv_] := (definition) f[i_, m_] := f[i, m, i]