[sage-devel] Re: symbolic variable treated as sqrt(-1) when it shouldn't be

2009-09-03 Thread kcrisman
On Sep 3, 2:28 pm, William Stein wst...@gmail.com wrote: Hi Sage-Devel, What do you think of this: sage: var('x, i') sage: solve(x^2 + i == 0, x) [x == -sqrt(-I), x == sqrt(-I)] Basically, I make a purely symbolic variable which I happen to call i, and it gets treated somewhere

[sage-devel] Re: symbolic variable treated as sqrt(-1) when it shouldn't be

2009-09-03 Thread William A. Stein
On Sep 3, 2009, at 12:49 PM, kcrisman wrote: On Sep 3, 2:28 pm, William Stein wst...@gmail.com wrote: Hi Sage-Devel, What do you think of this: sage: var('x, i') sage: solve(x^2 + i == 0, x) [x == -sqrt(-I), x == sqrt(-I)] Basically, I make a purely symbolic variable which I happen

[sage-devel] Re: symbolic variable treated as sqrt(-1) when it shouldn't be

2009-09-03 Thread Jason Grout
William Stein wrote: Hi Sage-Devel, What do you think of this: I think you are right that this is a huge bug in our interface to maxima. Jason -- Jason Grout --~--~-~--~~~---~--~~ To post to this group, send an email to sage-devel@googlegroups.com To

[sage-devel] Re: symbolic variable treated as sqrt(-1) when it shouldn't be

2009-09-03 Thread William Stein
2009/9/3 Golam Mortuza Hossain gmhoss...@gmail.com: Hi, On Thu, Sep 3, 2009 at 5:00 PM, William A. Steinwst...@gmail.com wrote: sage: var('i') i sage: a = i^2 sage: a.simplify_full() -1 I think my email must have not been clear.  I think it's an instance of a *HUGE BUG* in Sage.  No