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D.2.12.26 addvarsTo
Procedure from library ring.lib (see ring_lib).
- Usage:
- addvarsTo(ring,list_of_strings, int);
int may be: 0:ordering: dp
1:ordering dp,dp
2:oring.ordering,dp
- Return:
- a ring with the additional variables
Example:
| | LIB "ring.lib";
ring r=0,(x,y),lp;
def rr=addvarsTo(r,list("a","b"),0);
rr; kill rr;
==> // coefficients: QQ considered as a field
==> // number of vars : 4
==> // block 1 : ordering C
==> // block 2 : ordering dp
==> // : names x y a b
def rr=addvarsTo(r,list("a","b"),1);
rr; kill rr;
==> // coefficients: QQ considered as a field
==> // number of vars : 4
==> // block 1 : ordering C
==> // block 2 : ordering dp
==> // : names x y
==> // block 3 : ordering dp
==> // : names a b
def rr=addvarsTo(r,list("a","b"),2);
rr;
==> // coefficients: QQ considered as a field
==> // number of vars : 4
==> // block 1 : ordering lp
==> // : names x y
==> // block 2 : ordering C
==> // block 3 : ordering dp
==> // : names a b
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