On Mon, 27 Aug 2012 at 07:22AM -0400, David Joyner wrote: > Marshall Hampton and I wrote a book on Differential > Equations using Sage, and 100% of the royalties go directly > to the Sage Foundation. It is out now. If you want a 25% > discount coupon (for your library or holiday gifts:-), just email > Marshall or me and we can send you the form with the code. > > - David Joyner > > PS There is a draft version of the book here: > http://boxen.math.washington.edu/home/wdj/teaching/DiffyQ/
You should have included a link to buy the book, to encourage more royalties to the Sage Foundation. :) I found this link: http://jhupbooks.press.jhu.edu/ecom/MasterServlet/GetItemDetailsHandler?iN=9781421406374&qty=1&source=2&viewMode=3&loggedIN=false&JavaScript=y Is the front cover illustration a graph of the heat equation, with initial temperature zero and the ends held fixed? Dan -- --- Dan Drake ----- http://math.pugetsound.edu/~ddrake -------
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