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RegularChains[ConstructibleSetTools][Union] - compute the union of two constructible sets
Calling Sequence
Union(cs1, cs2, R)
Parameters
cs1, cs2
-
constructible sets
R
polynomial ring
Description
The command Union(cs1, cs2, R) returns a constructible set, the union of cs1 and cs2.
There might be redundancy in the output.
This command is part of the RegularChains[ConstructibleSetTools] package, so it can be used in the form Union(..) only after executing the command with(RegularChains[ConstructibleSetTools]). However, it can always be accessed through the long form of the command by using RegularChains[ConstructibleSetTools][Union](..).
Examples
Define a polynomial ring first.
Consider the following polynomials of .
Let cs1 be the solution set of and , and cs2 be the solution set of and .
Use the command Union to obtain the union of these two solution sets.
The Union command is not guaranteed to remove all the redundant components, for efficiency consideration. Use the MakePairwiseDisjoint command to remove them.
See Also
Complement, ConstructibleSet, ConstructibleSetTools, GeneralConstruct, Intersection, MakePairwiseDisjoint, RegularChains
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