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[Gubinelli Massimiliano <address@hidden>]

I'm not a sage user but it seems to me that you forgot to specify the differentiation variable. I've checked on an online sage tutorial (http://www.sagemath.org/doc/tutorial/tour_algebra.html) and indeed the sample commands show that the diff function require at least two parameters:

sage: u = var('u')
sage: diff(sin(u), u)
cos(u)

does the texmacs session work if you specify the differentiation variable?

best

max

On 18 mai 2012, at 23:48, arshpreet singh wrote:

On Fri, May 18, 2012 at 3:33 PM, Adrian S. <address@hidden> wrote:

Just a clarification: TeXmacs is not related to TeX.

ok. i will take care next time

I think the screenshot you gave is not related to texmacs. It seems to

be a facebook screenshot.

i am so sorry for this the actual screenshot is here:

http://www.filedropper.com/screenshotfrom2012-05-19024405

Also, you can try to make sure that your command works in a terminal

to see if it is the plugin's behaviour or texmacs'.

in the terminal it is showing the proper results means it is working
well but not in the Texmacs editor so seems it is the plugin's
behaviour. i can send you the screen shot of sage working in terminal
if it is required.


--

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