Take the 2-minute tour ×  Are there any software to computer
resultant for a system of equations (more than 2) with more than
2 variables?  share|improve this question Fermat should do this
home.bway.net/lewis And I think Magma can too, via either
eliminating variables sequentially, or possibly with
EliminationIdeal. They have an online calculator, if the problem
is not too bulky. –  Junkie Mar 8 '12 at 4:04 Junkie, IMHO the
question is about multivariate resultant, rather than about how
to eliminate variables in general. –  Dima Pasechnik Mar 8 '12
at 4:20 If you mean multivariate polynomial resultant, then the
best method is the Dixon Resultant (going back to Bezout). There
is an expository article here:
fordham.academia.edu/RobertLewis/Papers This is for exact
symbolic computation. It probably won't work if there are more
than, say, 10 equations. –  rhlewis Mar 8 '12 at 13:56  2
Answers 2  up vote 1 down vote accepted  Maple will do it.   You
can also do it in C, or Matlab with MARS:   share|improve this a