Re: arbitrary precision linear algebra

2011-03-02 Thread Ben123
> >> >> My question is which of the arbitrary precision implementations will > >> >> most easily handle linear algebra? I don't care about speed, just ease > >> >> of use. Online tutorials for arbitrary precision linear algebra > >>

Re: arbitrary precision linear algebra

2011-03-02 Thread Ben123
On Mar 2, 4:48 pm, Nobody wrote: > On Wed, 02 Mar 2011 06:42:22 -0800, Ben123 wrote: > > Hello. I have a written Python program which currently uses numpy to > > perform linear algebra operations. Specifically, I do matrix*matrix, > > matrix*vector, numpy.linalg.inv(matrix), and linalg.eig(matrix)

Re: arbitrary precision linear algebra

2011-03-02 Thread Nobody
On Wed, 02 Mar 2011 06:42:22 -0800, Ben123 wrote: > Hello. I have a written Python program which currently uses numpy to > perform linear algebra operations. Specifically, I do matrix*matrix, > matrix*vector, numpy.linalg.inv(matrix), and linalg.eig(matrix) > operations. Now I am interested in all

Re: arbitrary precision linear algebra

2011-03-02 Thread Paul Rubin
Ben123 writes: > I'll ask on the Sage forums about this. In the mean time, I'm still > trying to get arbitrary precision linear algebra in Python You probably have to use something like gmpy.mpq to implement your favorite eigenvalue computation algorithm. Maxima might be able

Re: arbitrary precision linear algebra

2011-03-02 Thread geremy condra
the precision you need though. >> >> > Geremy Condra >> >> Apologies, forgot the links: >> >> http://www.sagemath.org/doc/constructions/linear_algebra.htmlhttp://www.sagemath.org/doc/reference/sage/rings/complex_field.html >> >> Geremy Condra > > I

Re: arbitrary precision linear algebra

2011-03-02 Thread Ben123
sily implement any with my current program. I suspect I have to > >> change some commands but I am unsure what. > > >> My question is which of the arbitrary precision implementations will > >> most easily handle linear algebra? I don't care about speed, just ease &g

Re: arbitrary precision linear algebra

2011-03-02 Thread Ben123
sily implement any with my current program. I suspect I have to > >> change some commands but I am unsure what. > > >> My question is which of the arbitrary precision implementations will > >> most easily handle linear algebra? I don't care about speed, just ease &g

Re: arbitrary precision linear algebra

2011-03-02 Thread geremy condra
ds but I am unsure what. >> >> My question is which of the arbitrary precision implementations will >> most easily handle linear algebra? I don't care about speed, just ease >> of use. Online tutorials for arbitrary precision linear algebra >> operations would

Re: arbitrary precision linear algebra

2011-03-02 Thread geremy condra
ntations will > most easily handle linear algebra? I don't care about speed, just ease > of use. Online tutorials for arbitrary precision linear algebra > operations would be useful. > > For example, it looks like mpmath can handle matrix operations > http://fredrik-j.blogspo

Re: arbitrary precision linear algebra

2011-03-02 Thread Ben123
On Mar 2, 11:28 am, Robin Becker wrote: > On 02/03/2011 16:39, Ben123 wrote: > ... > > > > > > > > >> Languages can't support infinitely large or small numbers, so try to > >> multiply the inner variables by 10^n to increase their values if this > >> will not involve on the method. For exa

Re: arbitrary precision linear algebra

2011-03-02 Thread Arthur Mc Coy
> Are you saying python cares whether I express a number as 0.001 or > scaled by 10^5 to read 100? If this is the case, I'm still stuck. I > need the full range of eigenvalues from 1 to 1E-300, so the entire > range could be scaled by 1E300 but I would still need better precision > than 1E19 If py

Re: arbitrary precision linear algebra

2011-03-02 Thread Robin Becker
On 02/03/2011 16:39, Ben123 wrote: ... Languages can't support infinitely large or small numbers, so try to multiply the inner variables by 10^n to increase their values if this will not involve on the method. For example, I did this when was calculating geometric means of computer benchm

Re: arbitrary precision linear algebra

2011-03-02 Thread Ben123
On Mar 2, 10:21 am, Arthur Mc Coy <1984docmc...@gmail.com> wrote: > On Mar 2, 5:26 pm, Ben123 wrote: > > > > > > > > > > > On Mar 2, 9:04 am, Arthur Mc Coy <1984docmc...@gmail.com> wrote: > > > > What do you mean by "arbitrary precision" ? Each method of calculating > > > of something has its own

Re: arbitrary precision linear algebra

2011-03-02 Thread Arthur Mc Coy
On Mar 2, 5:26 pm, Ben123 wrote: > On Mar 2, 9:04 am, Arthur Mc Coy <1984docmc...@gmail.com> wrote: > > > What do you mean by "arbitrary precision" ? Each method of calculating > > of something has its own precision... > > If you are unfamiliar with arbitrary precision, I'm referring > tohttp://e

Re: arbitrary precision linear algebra

2011-03-02 Thread Ben123
On Mar 2, 9:04 am, Arthur Mc Coy <1984docmc...@gmail.com> wrote: > What do you mean by "arbitrary precision" ? Each method of calculating > of something has its own precision... If you are unfamiliar with arbitrary precision, I'm referring to http://en.wikipedia.org/wiki/Arbitrary-precision_arithm

Re: arbitrary precision linear algebra

2011-03-02 Thread Arthur Mc Coy
What do you mean by "arbitrary precision" ? Each method of calculating of something has its own precision... -- http://mail.python.org/mailman/listinfo/python-list

Re: arbitrary precision linear algebra

2011-03-02 Thread Ben123
s will > most easily handle linear algebra? I don't care about speed, just ease > of use. Online tutorials for arbitrary precision linear algebra > operations would be useful. > > For example, it looks like mpmath can handle matrix > operationshttp://fredrik-j.blogspot.com/

arbitrary precision linear algebra

2011-03-02 Thread Ben123
f use. Online tutorials for arbitrary precision linear algebra operations would be useful. For example, it looks like mpmath can handle matrix operations http://fredrik-j.blogspot.com/search?q=matrix but I was unable to find a clear tutorial. The tutorials for most of the arbitrary prec