public override void writeToXml(XmlTextWriter writer)
{
JamaMatrix jamaMatrix = IPolyPointTransformer.PolyExps(this.polynomialDegree);
string[] array = new string[]
{
"x",
"y"
};
for (int i = 0; i < 2; i++)
{
writer.WriteStartElement("Sum");
writer.WriteAttributeString("Name", array[i]);
for (int j = 0; j < jamaMatrix.RowDimension; j++)
{
writer.WriteStartElement("Term");
writer.WriteAttributeString("Coefficient", this.transformCoefficients.GetElement(i * jamaMatrix.RowDimension + j, 0).ToString(CultureInfo.InvariantCulture));
for (int k = 0; k < 2; k++)
{
writer.WriteAttributeString(array[k] + "_power", jamaMatrix.GetElement(j, k).ToString(CultureInfo.InvariantCulture));
}
writer.WriteEndElement();
}
writer.WriteEndElement();
}
}
public static JamaMatrix Polynomialize(JamaMatrix values, int degree)
{
JamaMatrix jamaMatrix = IPolyPointTransformer.PolyExps(degree);
JamaMatrix jamaMatrix2 = new JamaMatrix(values.RowDimension, jamaMatrix.RowDimension);
for (int i = 0; i < jamaMatrix.RowDimension; i++)
{
for (int j = 0; j < values.RowDimension; j++)
{
jamaMatrix2.SetElement(j, i, Math.Pow(values.GetElement(j, 0), jamaMatrix.GetElement(i, 0)) * Math.Pow(values.GetElement(j, 1), jamaMatrix.GetElement(i, 1)));
}
}
JamaMatrix jamaMatrix3 = new JamaMatrix(jamaMatrix2.RowDimension * 2, jamaMatrix2.ColumnDimension * 2);
jamaMatrix3.setMatrix(0, jamaMatrix2.RowDimension - 1, 0, jamaMatrix2.ColumnDimension - 1, jamaMatrix2);
jamaMatrix3.setMatrix(jamaMatrix2.RowDimension, 2 * jamaMatrix2.RowDimension - 1, jamaMatrix2.ColumnDimension, 2 * jamaMatrix2.ColumnDimension - 1, jamaMatrix2);
return(jamaMatrix3);
}