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Re: Help with a possible bug

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98937] Re: Help with a possible bug
  • From: "Rolf.Mertig at gmail.com" <Rolf.Mertig at gmail.com>
  • Date: Wed, 22 Apr 2009 05:11:48 -0400 (EDT)
  • References: <gsivea$9bt$1@smc.vnet.net> <gsk2gp$nu3$1@smc.vnet.net>

Seems to be a problem with Total and packing.
If one does unpack mat, things are o.k.:

mat = Developer`FromPackedArray[Table[3, {i, 1, 17}, {j, 1, 267}]];
sum = Union[Table[Total[mat[[All, j]]], {j, 1, 249}]]
sum1 = ReleaseHold[Union[Table[Total[d[mat[[All, j]]]], {j, 1, 252}]]]
sum2 = ReleaseHold[Union[Table[Total[d[mat[[All, j]]]], {j, 1, 252}]]]


Rolf Mertig

GluonVision GmbH
http://www.gluonvision.com


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