pfaffians(n,f) -- given a skew symmetric matrix f, produce the ideal generated by its n by n Pfaffians.
i1 : R=ZZ/101[a..f] |
i2 : m=genericSkewMatrix(R,a,4) |
i3 : pfaffians(2,m) |
i4 : pfaffians(4,m) |
See also:
Ways to use pfaffians :
Optional arguments :