On Saturday, June 12, 2010, Justin C. Walker <[email protected]> wrote: > > On Jun 12, 2010, at 19:07 , William Stein wrote: > > > On Saturday, June 12, 2010, Justin C. Walker <[email protected]> wrote: > > > On Jun 12, 2010, at 17:27 , Byungchul Cha wrote: > > [snip] > > Shouldn't the value of v remain the same? Why does the change in u > (or, a row of u) affect v? > > [snip] > > For, e.g., integers, "u=v" means that the names u,v both refer to their own > copies of the value in question. > > > > Are you sure??? I think you statement that u is a new copy is wrong. I bet > > u is v > > would still return true above. > > > Picky picky picky. I was hoping to avoid a trip into the twisty maze of > passages in language definition (all of which are subtly different :-}). But > you are correct. "u is v" does return true and the two actually refer to the > same (physical) value. And, if one variable is modified, this doesn't modify > the other, or the value that both previously referred to. > > > I can't check this now, since am on iPhone.... > > > I find that hard to believe. I thought you had Sage running on all things > digital... >
Your right that I could check it on my iPhone, but I was lazy. I'm working on building sage *on* my ipad bit haven't finished yet.... > Justin > > -- > Justin C. Walker, Curmudgeon-At-Large > Institute for the Enhancement of the Director's Income > -------- > When LuteFisk is outlawed, > Only outlaws will have LuteFisk > -------- > > > > -- > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/sage-support > URL: http://www.sagemath.org > -- William Stein Professor of Mathematics University of Washington http://wstein.org -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
