[sage-support] Re: Complex Number Manipulations in Functions of Symbolic Variables?

2008-05-03 Thread William Stein
On Sat, May 3, 2008 at 6:53 PM, dvase <[EMAIL PROTECTED]> wrote: > > Hello, > It seems as though I am missing something obvious, but I can not > figure out how to use complex number manipulations on symbolic > variables in sage. > > A trivial example would be to have a function that returns t

[sage-support] Complex Number Manipulations in Functions of Symbolic Variables?

2008-05-03 Thread dvase
Hello, It seems as though I am missing something obvious, but I can not figure out how to use complex number manipulations on symbolic variables in sage. A trivial example would be to have a function that returns the imaginary portion of a given complex value: sage: f(x) = imag(x) sage: f(i*1) I

[sage-support] Re: Cannot plot in SAGE 3.0 for MAC OS 10.4

2008-05-03 Thread bcha
I installed the binary, and it worked fine! Hmm. Previously, I upgraded from sage2.10 using the upgrade() command. On May 2, 2:16 pm, "William Stein" <[EMAIL PROTECTED]> wrote: > On Fri, May 2, 2008 at 10:50 AM, bcha <[EMAIL PROTECTED]> wrote: > > >  I am experiencing a similar problem but I get