man, 03 01 2011 kl. 19:24 +0100, skrev Juan Pablo Carbajal: > Dear all, > The following lines where giving no errors in Octave 3.2.4 (Ubuntu 10.10) > x = linspace(0,1,10); > y = sin(2*pi*3*x); > pp = spline(x, y); > xi = 0:0.3:1; > yi = ppval(pp,xi); > ppd = fnder(pp,1); > dyi = ppval(ppd,xi); > > In 3.3.54 and the repository version the last line gives the following error > error: ppval: A(I,J,...): index to dimension 2 out of bounds; value 9 > out of bound 8 > error: called from: > error: ppval.m at line 69, column 4 > > If I change xi for > > xi=linspace(0,8/9-eps,10); > > then > dyi = ppval(ppd,xi); > > works fine > > Apparently the domain of the derivative gets shrinked, though there is > no help in the help of any of the functions. > > Is this a BUG or is an undocumented fix?
My guess would be a bug. Could you please file a bug report in the Octave bug tracker? http://bugs.octave.org Thanks Søren ------------------------------------------------------------------------------ Learn how Oracle Real Application Clusters (RAC) One Node allows customers to consolidate database storage, standardize their database environment, and, should the need arise, upgrade to a full multi-node Oracle RAC database without downtime or disruption http://p.sf.net/sfu/oracle-sfdevnl _______________________________________________ Octave-dev mailing list Octave-dev@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/octave-dev
