Re: Functions That Remember Values They Have Found
- To: mathgroup at smc.vnet.net
- Subject: [mg127611] Re: Functions That Remember Values They Have Found
- From: Murray Eisenberg <murray at math.umass.edu>
- Date: Tue, 7 Aug 2012 03:02:27 -0400 (EDT)
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Change H[n] to Hgeomin[n] On Aug 6, 2012, at 4:37 AM, Esteban Gonz=E1lez Morales <yo8231 at gmail.com> wrote: > Hi, I was trying to create a recursive function and I read the help about it, and wrote this code > > Hgeom[n_] := > H[n] = Sum[(1 - 0.5)^i/(1 - 0.5^i) Hgeom[n - i], {i, 1, n}]/n > Hgeom[0] = 1; > > However, when I calculate Hgeom[10] it gives me the right value, and then I ask for the information about Hgeom and get that it has values calculated. > > Have you any idea what could have gone wrong? Murray Eisenberg murray at math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305
- References:
- Functions That Remember Values They Have Found
- From: Esteban González Morales <yo8231@gmail.com>
- Functions That Remember Values They Have Found