fieker-DuValspielwiese
|
Last change
on this file since 0ffce33 was
e84f553,
checked in by Olaf Bachmann <obachman@…>, 24 years ago
|
|
* GMG's changes
git-svn-id: file:///usr/local/Singular/svn/trunk@4010 2c84dea3-7e68-4137-9b89-c4e89433aadc
|
-
Property mode set to
100644
|
|
File size:
635 bytes
|
| Line | |
|---|
| 1 | LIB "ainvar.lib"; |
|---|
| 2 | int n=5; |
|---|
| 3 | int i; |
|---|
| 4 | ring s=32003,(x(1..n)),wp(1,2,3,4,5); |
|---|
| 5 | // definition of the vectorfield m=sum m[i,1]*d/dx(i) |
|---|
| 6 | matrix m[n][1]; |
|---|
| 7 | for (i=1;i<=n-1;i=i+1) |
|---|
| 8 | { |
|---|
| 9 | m[i+1,1]=x(i); |
|---|
| 10 | } |
|---|
| 11 | // computation of the ring of invariants |
|---|
| 12 | ideal in=invariantRing(m,x(2),x(1), 0); |
|---|
| 13 | in; //invariant ring is generated by 5 invariants |
|---|
| 14 | kill n,i,s; |
|---|
| 15 | ring q=32003,(x,y,z,u,v,w),dp; |
|---|
| 16 | matrix m[6][1]; |
|---|
| 17 | m[2,1]=x; |
|---|
| 18 | m[3,1]=y; |
|---|
| 19 | m[5,1]=u; |
|---|
| 20 | m[6,1]=v; |
|---|
| 21 | // the vectorfield is: xd/dy+yd/dz+ud/dv+vd/dw |
|---|
| 22 | ideal in=invariantRing(m,y,x,0); |
|---|
| 23 | in; //invariant ring is generated by 6 invariants |
|---|
| 24 | kill q; |
|---|
| 25 | LIB "tst.lib";tst_status(1);$ |
|---|
Note: See
TracBrowser
for help on using the repository browser.
