Forwarded to sage-support...
On Feb 9, 2012 3:54 AM, "yogesh gupta" <gupta706...@gmail.com> wrote:
> Hello sir,
> I am currently working on SAGE as my final year B.Tech. project.
> I am trying to add some libraries in SAGE.
> First I want to add these libraries in my copy of SAGE. But I
> am facing problems in this.I read documentation but I can't get it,so plz
> give me step by step procedure for this.
> Second I am trying following code but this gives me wrong answer
> because integral() function doesn't work correctly:-
>
> Definition of function:-
> def length(w,res,ll,ul,p):
> q=w.diff(x)
> r=w.diff(y)
> if(res==x):
> w=q/r
> else:
> w=r/q
> w=sqrt(w*w+1)
>
> flength=p*integral(w,res,ll,ul)
> return flength
>
> calling of function:-
> var('x y a')
> w=y^2-4*a*x
> length(w,x,0,a,2)
>
> Answer given by this:-2*sqrt(4*a^2/y^2 + 1)*a
> which is incorrect so plz have a look on integral() function. and plz help
> me to resolve this problem.
>
> More description about first problem:--
> i have a file sage/devel/sage-main/sage/curve/assymptote.py , where curve
> is a directory made by me. in this directory __init__.py and all.py is also
> present . the file is having only a function called assymp() and i want to
> include this file in my sage's copy so i can directly call this function
> like, we can call solve() etc . from console or from anywhere in the sage.
> so plz help me with stepwise solution.
>
>
> thank you.
>
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