Difference between revisions of "ApCoCoA-1:Num.IsAVI"
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<short_description>Checks if a given set of polynomials vanishes at a given set of points</short_description> | <short_description>Checks if a given set of polynomials vanishes at a given set of points</short_description> | ||
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| − | + | Num.IsAVI(Polys:PolyList, Points:Matrix, Epsilon:Number):[A:Number,B:Number]; | |
</syntax> | </syntax> | ||
<description> | <description> | ||
Revision as of 10:56, 8 April 2009
Numerical.IsAVI
Checks if a given set of polynomials vanishes at a given set of points
Syntax
Num.IsAVI(Polys:PolyList, Points:Matrix, Epsilon:Number):[A:Number,B:Number];
Description
Please note: The function(s) explained on this page is/are using the ApCoCoAServer. You will have to start the ApCoCoAServer in order to use
it/them. Please also note that you will have to use an ApCoCoAServer with enabled BLAS/LAPACK support.
Checks if a set of polynomials vanishes at a set of points epsilon approximately. The polynomials are preprocessed first to have norm 1.
The function returns a number A which specifies how well the points vanish on average and the number B contains the maximal evalutation value.
Example
Num.IsAVI([x[1]+1,x[1]^2],[[0]],0.1); -- CoCoAServer: computing Cpu Time = 0 ------------------------------- [1/2, 1] -------------------------------
See also
