There is a well known problem (http://ask.sagemath.org/question/192/
compiling-r-with-png-support) with plotting in R that apparently some
people successfully eliminated by installing the libraries mentioned
and recompiling. I didn’t succeed, so I'm trying a work around and
stumbled over an other
Problem solved!
The simple '._sage_()' does the trick. It converts data from R into
something that can be handled by Python or Sage.
def ndistribpts(x): return (x,r.dnorm(x,mean=100,sd=25)._sage_())
def cube(x): return (x,x*x*x)
v=map(ndistribpts,range(98,103))
scatter_plot(v)
Works though I'm
On Jun 7, 7:08 am, Rolf kamha...@googlemail.com wrote:
Problem solved!
The simple '._sage_()' does the trick. It converts data from R into
something that can be handled by Python or Sage.
Glad you found a solution!
def ndistribpts(x): return (x,r.dnorm(x,mean=100,sd=25)._sage_())
def
Great pointers, Jason .. thanks.
-- Owen
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On 6/7/11 12:05 PM, Owen wrote:
Great pointers, Jason .. thanks.
More generally, you can explore Flask or Django, which are two standard
python webserving frameworks.
Jason
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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
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On Tue, 7 Jun 2011 12:17:58 -0700 (PDT)
Samuel Lelievre samuel.lelie...@gmail.com wrote:
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
With Sage 4.7.alpha1, I
2011-06-07 Burcin Erocal:
On Tue, 7 Jun 2011, Samuel wrote:
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
With Sage 4.7.alpha1, I get:
sage: sage: j = -1/2 +
2011/6/7 slelievre:
2011-06-07 Burcin Erocal:
On Tue, 7 Jun 2011, Samuel wrote:
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
With Sage 4.7.alpha1, I get:
On Jun 7, 9:58 pm, Felipo Bacani felipo.bac...@gmail.com wrote:
Hello.
How do I define a piecewise function that are discontinuous in one point?
I mean, how do I define a piecewise function f(x) if it is like
x if 0x1
f(x)=2 if x=1
2-x if 1x2
If I try the command
We use Pynac for deciding on default printing of things like this, I
think. So one of the tickets related to this is most likely.
Probably http://trac.sagemath.org/sage_trac/ticket/9947. You can see
strange things with coefficients there as well. Glad it's fixed for
you there!
- kcrisman
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Hi
This is now http://trac.sagemath.org/sage_trac/ticket/11447
Bill, please replace SAGE_ROOT/spkg/standard/python-2.6.4.p10.spkg
with http://users.aims.ac.za/~jan/python-2.6.4.p11.spkg, and then
run make again.
Regards,
Jan
--
.~.
/V\ Jan Groenewald
/( )\www.aims.ac.za
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