public GaSymMultivector GetPartByGrade(Func <int, bool> gradeSelectionFunc)
{
var resultMv = new GaSymMultivector(GaSpaceDimension);
foreach (var term in NonZeroTerms.Where(t => gradeSelectionFunc(t.Key.BasisBladeGrade())))
{
resultMv.SetTermCoef(term.Key, term.Value);
}
return(resultMv);
}
public GaSymMultivector GetOddPart()
{
var resultMv = new GaSymMultivector(GaSpaceDimension);
foreach (var term in NonZeroTerms.Where(t => (t.Key.BasisBladeGrade() & 1) == 1))
{
resultMv.SetTermCoef(term.Key, term.Value);
}
return(resultMv);
}
public GaSymMultivector GetKVectorPart(int grade)
{
var resultMv = new GaSymMultivector(GaSpaceDimension);
if (grade < 0 || grade > VSpaceDimension)
{
return(resultMv);
}
foreach (var term in NonZeroTerms.Where(t => t.Key.BasisBladeGrade() == grade))
{
resultMv.SetTermCoef(term.Key, term.Value);
}
return(resultMv);
}