Re: [racket] HTDP 17.1.2; applying methodology to imperative languages

2011-04-01 Thread Jay
Prof. Bloch posted an explanation on the plt-edu list that's a bit closer to my level. Thanks again. Jay Subject: Re: [racket] HTDP 17.1.2; applying methodology to imperative languages From: matth...@ccs.neu.edu Date: Wed, 30 Mar 2011 22:23:33 -0400 CC: users@racket-lang.org To: planar...

Re: [racket] HTDP 17.1.2; applying methodology to imperative languages

2011-03-30 Thread Matthias Felleisen
On Mar 30, 2011, at 10:10 PM, Jay wrote: > Hi, > > I have two unrelated questions, and I hope no one will mind my bundling them > together: > > 1) I'm stumped by the "cross" problem (17.1.2). Although I did manage to dig > up someone else's solution, and do understand it, I would never have

[racket] HTDP 17.1.2; applying methodology to imperative languages

2011-03-30 Thread Jay
Hi, I have two unrelated questions, and I hope no one will mind my bundling them together: 1) I'm stumped by the "cross" problem (17.1.2). Although I did manage to dig up someone else's solution, and do understand it, I would never have recognized it from the problem description as an instanc