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[arshpreet singh <address@hidden>]

On Sat, May 19, 2012 at 3:24 AM, Gubinelli Massimiliano
<address@hidden> wrote:
> I'm not a sage user but it seems to me that you forgot to specify the
<snip>

> sage: u = var('u')
> sage: diff(sin(u), u)
> cos(u)
thanks for you reply now sage plugin is working after restarting
sage.we can also use diff(sin(u)) it also works.most of the online
documentation is based on the older versions.see the image below

http://www.filedropper.com/arsh

-- 

Thanks
Arshpreet singh
http://arshpreetsingh.wordpress.com/