Re: sparsearray and its nonempty cells
- To: mathgroup at smc.vnet.net
- Subject: [mg72723] Re: sparsearray and its nonempty cells
- From: Arkadiusz.Majka at gmail.com
- Date: Tue, 16 Jan 2007 03:47:45 -0500 (EST)
- References: <eocro4$6p6$1@smc.vnet.net>
Hello Bill, Hmmmm, look here (!!!): In[5]:= Mysparse=SparseArray[i_/;2<=i<=11\[RuleDelayed]0.8,20]; OrderedQ[Most[First/@ArrayRules[Mysparse]]] Out[6]= False In[4]:= $Version Out[4]= 5.2 for Microsoft Windows (June 20, 2005) I understand less and less ..... Why it depends on the OS? Arek Bill Rowe napisaÅ?(a): > On 1/13/07 at 5:02 AM, Arkadiusz.Majka at gmail.com wrote: > > >Of course I can simply use Sort but I would prefer to obtain > >already sorted list directly from > > >Mysparse/. SparseArray[_, _, _, x_] :> x[[2, 2]] > > >or from ArrayRules[...]. > > >BTW Most[First/@ArrayRules[Mysparse]] does not produce sorted list > > That isn't consistent with the results I get here, i.e., > > In[5]:= > Mysparse=SparseArray[i_/;2â?¤iâ?¤11\[RuleDelayed]0.8,20]; > OrderedQ[Most[First/@ArrayRules[Mysparse]]] > > Out[6]= > True > > In[7]:= > $Version > > Out[7]= > 5.2 for Mac OS X (June 20, 2005) > -- > To reply via email subtract one hundred and four