sage: t = [t0,t1] sage: t[0] is t0 True sage: t[1] is t1 True On 27 May 2014 12:07, David Joyner <[email protected]> wrote: > On Mon, May 26, 2014 at 8:04 PM, msantopr <[email protected]> wrote: >> Hi all, >> >> I am new to sage, so please forgive me if this is a trivial question. >> >> I tried to find a minimal example for my problem. >> I can define two real interval fields: >> >> t0=RIF(2.9, 3.1) >> t1=RIF(2.9, 3.1) >> >> and then define a matrix >> >> t=matrix([[t0],[t1]]) >> >> Clearly >> >> parent(t0) >> >> Real Interval Field with 53 bits of precision >> >> >> However, >> >> >> parent(t[0]) >> >> >> Vector space of dimension 1 over Real Interval Field with 53 bits of >> precision >> >> >> I would like to do some computations with t[0] and t[1] in which they should >> be regarded as elements of a real interval fields. Is there any way to >> convert from Vector space of dimension 1 over the real interval field to >> real interval field? In my actual code I don't have t0 and t1 explicitly >> since the matrix is obtained form a computation. >> > > > Does this help? > > sage: t0=RIF(2.9, 3.1) > sage: t1=RIF(2.9, 3.1) > sage: t=matrix([[t0],[t1]]) > sage: parent(t[0]) > Vector space of dimension 1 over Real Interval Field with 53 bits of precision > sage: parent(t[0][0]) > Real Interval Field with 53 bits of precision > >> >> Any help would be much appreciated! >> >> >> Manuele >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sage-support" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/sage-support. >> For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sage-support. > For more options, visit https://groups.google.com/d/optout.
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