Hello
(C7) f(x):=subst(t=x,diff(sin(t),t));
(D7) f(x) := SUBST(t = x, DIFF(SIN(t), t))
(C8) f(0);
(D8) 1
(C9) f(%pi);
(D9) - 1
(C10) diff(f(t),t);
(D10) - SIN(t)
(C11) diff(f(x),x);
(D11) - SIN(x)
(C12) plot2d(f(x),[x,-1,1]);
works as you like.
Regards
Le Lundi 5 Avril 2004 16:52, Olaf Bar a écrit :
> Hi,
> How can I write function as result of formula?
>
> if i try :
> f(x):=diff(sin(x),x);
>
> it gives no result ...
>
>
> regards, Olaf
>
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