Daniel Duparc <daniel.duparc@free.fr> writes:
> I have another problem: I don't know how
> to use the function "revert" described
> in this chapter(e.g. how to invert the
> Taylor series of sin(x)).
(C1) bothcases:false$
(C2) load("revert");
(D2) /usr/share/maxima/5.9.0.rc4/share/calculus/revert.mac
(C3) revert(taylor(sin(x),x,0,7),x);
7 5 3
75 X + 126 X + 280 X + 1680 X
(D3)/R/ --------------------------------
1680
(C4) distrib(%);
7 5 3
5 X 3 X X
(D4) ---- + ---- + -- + X
112 40 6
(C5) taylor(asin(x),x,0,7);
3 5 7
X 3 X 5 X
(D5)/T/ X + -- + ---- + ---- + . . .
6 40 112
(C6)
The explanation is... no, no sermon on case-sensitivity this time :-)
As an alternative, you could dispense with setting BOTHCASES to FALSE
by converting all of revert.mac to uppercase.
Wolfgang