[sage-support] Re: OT: Sage notebook as a interface for python

2014-10-23 Thread Samuel Lelievre
[cc-ing to sage-support, please answer on sage-support rather than sage-devel] You can also use one of the following tricks. - you can make a cell python by typing %python in the first line of the cell. - towards the top of every notebook worksheet, there are four

[sage-support] sum of complex numbers

2011-06-07 Thread Samuel Lelievre
Can we not use + to add complex numbers? sage: j = -1/2 + sqrt(3)/2*i sage: a = -2*j*j sage: b = -j/2 sage: print a.real(); print b.real(); print (a+b).real() 1 1/4 + 1/4 -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to

[sage-support] Re: in_integral_domain not implemented for SR

2011-04-06 Thread Samuel Lelievre
On 31 mar, 21:44, Edgar Duéñez-Guzmán eadue...@gmail.com wrote: Hello,     I recently upgraded sage to the binary version 4.6.2 for Ubuntu i586, and ran into the following error: sage: (r,s,t,c,d,p,q) = var( 'r,s,t,c,d,p,q' ) sage: A = matrix( [ [r, -s, r, -s], [t, 0, t-p, -p], [r, -s-c, r,

[sage-support] Re: Sequences and Series

2011-04-06 Thread Samuel Lelievre
On 30 mar, 20:58, ObsessiveMathsFreak wrote: I'm just wondering if there is a canonical (i.e. convienient(i.e. lazy)) way to define simple sequences and series in sage. In particular, is there a standard way to define recursive series? Suppose for example that You wanted to define the series