Try using Python's `eval` function:
sage: eval('y+x>=0')
x + y >= 0
sage: type(eval('y+x>=0'))
--
Benjamin Jones
benjaminfjo...@gmail.com
On Apr 24, 1:50 pm, tvn wrote:
> I can convert 'x + 5' to equivalent expression with SR() but can't do
> the same to 'x+5>= 0' . Is there other way
I can convert 'x + 5' to equivalent expression with SR() but can't do
the same to 'x+5>= 0' . Is there other way ? Thanks
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kcrisman? :P
I'm not actually sure if the r.png( ) in the system I have set up uses the
system png libraries or cairo, but having the tcl/tk R package installer is
handy.
What I'd like to see in sage is a rewrite of the r.png( ) functionality
Currently, to include a R graphic object in the
On 04/23/11 04:41 PM, kcrisman wrote:
This is a little OT, but just for reference, the R devels have made it
clear that without an X and display actually present, Cairo is the
only way to go to get this to work. With your setup, you presumably
have a display in your VM, so your solution makes s
Thank you
> Unfortunately, N is the name of the built-in numerical evaluation
> function:
N is used as such, not as a name
Claude
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