var('x')
var('y')
var('z')


v1 = (x*y*z)*x
v2 = (x*y*z)*y
v3 = (x*y*z)*z

curl_v = ( diff(v3,y)-diff(v2,z) ) + ( diff(v1,z)-diff(v3,x) ) + ( diff(v2,x) - diff(v1,y) )

curl_v

Result:

x^2*y - x^2*z - x*y^2 + x*z^2 + y^2*z - y*z^2

Kreyszig-8.11-7 (last edited 2010-12-17 04:04:58 by sprint_first)