simple txt file with columns first column is the time, second the X velocity value, third the Y velocity value and I want to fft each components of velocity to get the frequency of oscillations. (sry for my bad english)
On 10 avr, 18:16, "William Stein" <[EMAIL PROTECTED]> wrote: > On Thu, Apr 10, 2008 at 9:15 AM, Nicoo <[EMAIL PROTECTED]> wrote: > > > thx, I will try the fft() method, other question, how can I load my > > datas in a vector ? > > What format are your datas in? > > -- William > > > > > > > On 10 avr, 17:40, "William Stein" <[EMAIL PROTECTED]> wrote: > > > > On Thu, Apr 10, 2008 at 8:26 AM, Nicoo <[EMAIL PROTECTED]> wrote: > > > > Hello there, > > > > -I used matlab to fft some datas, I have .m file from matlab, is it > > > > possible to load it in sagemath and use it ? > > > > No, the Sage programming language is Python, which is as > > > different from Matlab's language as Mathematica is different > > > than Matlab. > > > > Sage does have fft functionality itself though: > > > > sage: v = vector(RDF, 10000, range(10000)) > > > sage: time w = v.fft() > > > CPU time: 0.00 s, Wall time: 0.00 s > > > > It's also possible to use the Sage interfaces to Matlab/Octave... > > > > -- William > > -- > William Stein > Associate Professor of Mathematics > University of Washingtonhttp://wstein.org --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---