Re: Marbles.nb [was Re: CellChangeTimes?]
- To: mathgroup at smc.vnet.net
- Subject: [mg105854] Re: Marbles.nb [was Re: CellChangeTimes?]
- From: AES <siegman at stanford.edu>
- Date: Tue, 22 Dec 2009 04:03:36 -0500 (EST)
- Organization: Stanford University
- References: <hgidat$o2q$1@smc.vnet.net> <hgl3e5$14p$1@smc.vnet.net> <hgnnn4$4nn$1@smc.vnet.net>
In article <hgnnn4$4nn$1 at smc.vnet.net>, magma <maderri2 at gmail.com> wrote: > > Interesting example AES! > Indeed FullForm does not reveal anything. > Show Expression is what you need. > Let's call "mutated" the cell with > Cell["-(b-a) I", "Input"] > That's because it is not a normal input cell. I can only get it via > copying your cell. > It is viewed by Mathematica as a string (because of the "..."), but she makes > calculations with it. > You can see this by changing the mutated cell to > -(b-a+a) I > and you see that Mathematica correctly adds the a's. > By the way, the number of spaces between ) and I is not relevant for > either the regular or the mutated cell. > Now, having reached my hacking incompetence level, I leave the experts > further investigate the matter. > Just a question....The nb was version 4.2, how come? That's strange, and I have no idea. I'm running 7.0.1.0 on a 2007-era MacBook; ran 5.2 and 6 on this same machine before that; haven't kept any older versions around; don't recall offhand if 4.2 would ever have been on this machine. How does one look at the version of a nb?