Artifact 938a1ca51e14c1e35ada940edfa2a13f27d1d0481a3d18d28af131d55707bc1a:

• File src/introReduce.txt — part of check-in [5ce5316a33] at 2021-03-01 07:23:02 on branch trunk — Scripts by Dieter (Olli) Egger (November 30th 2019) (user: jeff@gridfinity.com, size: 388) [annotate] [blame] [check-ins using] [more...]

% Introduction to Reduce
%
(x+y+z)^2;
for i:= 1:40 product i;
factorial 40;
u := (x+y+z)^2;
df(ws,x);
int(ws,y);
matrix m(2,2);
m := mat((a,b),(c,d));
%
(sin(a+b)+cos(a+b))*(sin(a-b)-cos(a-b))
where cos(~x)*cos(~y) => (cos(x+y)+cos(x-y))/2,
cos(~x)*sin(~y) => (sin(x+y)-sin(x-y))/2,
sin(~x)*sin(~y) => (cos(x-y)-cos(x+y))/2;
%
on fort;
df(log(x)*(sin(x)+cos(x))/sqrt(x),x,2);
off fort;
%