Steven D'Aprano wrote: > In mathematics, well, maybe... certainly in the Real number system, there > is no difference, and +0 and -0 are just two ways of writing the same > thing. In the hyperreals, +0 and -0 are the same, but there are > infinitesimals which are different, and signed. I don't know enough about > the surreals to comment. In matrix maths, there are an infinite number of > different matrices where all the elements are zero -- they are all > distinct, different, zeroes.
What do you even mean by that? By "matrix maths," do you just mean matrices whose elements are reals, or something else? -- Erik Max Francis && [EMAIL PROTECTED] && http://www.alcyone.com/max/ San Jose, CA, USA && 37 20 N 121 53 W && AIM erikmaxfrancis My heart is pure as the driven slush. -- Tallulah Bankhead -- http://mail.python.org/mailman/listinfo/python-list
