Re: a beginner's question
- To: mathgroup at smc.vnet.net
- Subject: [mg77814] Re: a beginner's question
- From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
- Date: Sun, 17 Jun 2007 06:10:01 -0400 (EDT)
- Organization: The Open University, Milton Keynes, UK
- References: <f5048j$pup$1@smc.vnet.net>
tung tran wrote:
> I am a beginner in Mathematica and in programming. I read the book "An Introduction to Programming with Mathematica".
> Page 155:
>
> FindSubsequence[lis_List, subseq_List] := Module[{p}, p = Partition[lis, Length[subseq], 1]; Position[p, Flatten[{___, subseq, ___}]]]
>
> I want to know more about the role of Module function and " ; " in these lines. I have read documentation about Module function but it doesn't help me much in understanding this line of code. Thanks for helping me !
>
> Regards,
> Tung Anh
Module[{p}, expr1; expr2] creates a *local* variable named "p" and ; is
used for building compound expressions. You should read pages 98 and 99
of the above mentioned book since they explained what Module and Block
are and how they work. Page 22 explains what a compound expression is.
Regards,
Jean-Marc