Have you taken a look at numpy? [1] It was written for exactly this kind of usage.
~/santa [1] http://numpy.scipy.org/ On Fri, Mar 4, 2011 at 2:32 PM, Jon Herman <jfc.her...@gmail.com> wrote: > Hello all, > > I am new to the Python language and writing a Runge-Kutta-Fellberg 7(8) > integrator in Python, which requires an extreme numerical precision for my > particular application. Unfortunately, I can not seem to attain it. > The interesting part is if I take my exact code and translate it to Matlab > code (so I use the exact same process and numbers), I get a far superior > precision (the one I am expecting, in fact). This leads me to think I need > to call a certain command in my Python script in order to make sure no > truncation errors are building up over my integration. > > Has anyone had similar problems? Is there a difference between how Matlab > and Python store numbers, and if so how do I make Python more accurate? > > I know there is a lot of packages out there, but this in fact overwhelmed > me a little bit and seems to prevent me from finding the answer to my > question, so I'm hoping someone with more experience will be able to > enlighten me! > > Best regards, > > Jon > > -- > http://mail.python.org/mailman/listinfo/python-list > >
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