Hi, I think it this way, If you will use f(m).series(x,0,n) , where m is a function of x. then it will return the series till the nth power of m.(#not x)
On Wed, Mar 14, 2012 at 7:34 PM, Gaurav Sathe <gaurav.sath...@gmail.com>wrote: > I'm a little confused with the .series method. > > In [8]: sin(x).series(x,0,10) > Out[8]: > 3 5 7 9 > x x x x > x - ── + ─── - ──── + ────── + O(x**10) > 6 120 5040 362880 > > In [9]: cos(x).series(x,0,10) > Out[9]: > 2 4 6 8 > x x x x > 1 - ── + ── - ─── + ───── + O(x**10) > 2 24 720 40320 > > From this it seems that .series(x,point,n) calculates the series expansion > of f(x) till the nth exponent of x... > > In both of the above cases, x==m.Hence it appears that it calculates the series expansion of f(x) till the nth exponent of x. > But, > In [17]: exp(x**2).series(x,0,10) > Out[17]: > 4 6 8 10 12 14 16 > 18 > 2 x x x x x x x > x > 1 + x + ── + ── + ── + ─── + ─── + ──── + ───── + ────── + O(x**20) > 2 6 24 120 720 5040 40320 > 362880 > > This doesnt seem to match up... Does the parameter 'n' mean 'the no of > terms in the series expansion' or ' the last exponent of x in the > expansion' ? > > > > Thanks Rhythm Gupta > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/sympy/-/iPZ8Z-N8jH0J. > To post to this group, send email to sympy@googlegroups.com. > To unsubscribe from this group, send email to > sympy+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/sympy?hl=en. > -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sympy@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
