private static GaMultivector CreateFromMatrixColumn(ISymbolicMatrix matrix, int col)
{
var gaSpaceDim = FrameUtils.GaSpaceDimension(matrix.Rows);
var mv = GaMultivector.CreateZero(gaSpaceDim);
for (var index = 0; index < matrix.Rows; index++)
{
mv[1, index] = matrix[index, col];
}
return(mv);
}
/// <summary>
/// Convert this binding pattern into a multivector value
/// </summary>
/// <param name="varNameTemplate"></param>
/// <returns></returns>
public AstValueMultivector ToValue(StringSequenceTemplate varNameTemplate)
{
var mv = GaMultivector.CreateZero(BaseFrameMultivector.AssociatedFrameMultivector.ParentFrame.GaSpaceDimension);
foreach (var pair in _patternDictionary)
{
mv[pair.Key] = pair.Value.ToMathematicaScalar(varNameTemplate);
}
return(new AstValueMultivector(
GMacValueMultivector.Create(
BaseFrameMultivector.AssociatedFrameMultivector,
mv
)
));
}
internal static GaMultivector ToMultivector(this Dictionary <int, ListComposer> accumExprDict, int gaSpaceDim)
{
var resultMv = GaMultivector.CreateZero(gaSpaceDim);
foreach (var pair in accumExprDict)
{
var resultCoef = SymbolicUtils.Cas[pair.Value.ToString()];
if (!(resultCoef.Args.Length == 0 && resultCoef.ToString() == "0"))
{
resultMv.Add(pair.Key, MathematicaScalar.Create(SymbolicUtils.Cas, resultCoef));
}
}
return(resultMv);
}
/// <summary>
/// Convert this binding pattern into a multivector value
/// </summary>
/// <param name="basisBladeToVarName"></param>
/// <returns></returns>
public AstValueMultivector ToValue(Func <AstFrameBasisBlade, string> basisBladeToVarName)
{
var frameInfo = new AstFrame(BaseFrameMultivector.AssociatedFrameMultivector.ParentFrame);
var mv = GaMultivector.CreateZero(BaseFrameMultivector.AssociatedFrameMultivector.ParentFrame.GaSpaceDimension);
foreach (var pair in _patternDictionary)
{
mv[pair.Key] =
pair.Value.IsConstant
? pair.Value.ConstantSymbolicScalar
: MathematicaScalar.Create(
SymbolicUtils.Cas, basisBladeToVarName(frameInfo.BasisBlade(pair.Key))
);
}
return
(new AstValueMultivector(
GMacValueMultivector.Create(
BaseFrameMultivector.AssociatedFrameMultivector,
mv
)
));
}
internal static GMacValueMultivector CreateZero(GMacFrameMultivector mvType)
{
var mvCoefs = GaMultivector.CreateZero(mvType.ParentFrame.GaSpaceDimension);
return(new GMacValueMultivector(mvType, mvCoefs));
}
