/// <summary>
/// Cross product for 3 components vector.
/// </summary>
/// <param name="v1"></param>
/// <param name="v2"></param>
/// <returns></returns>
public QsVector VectorProduct(QsVector v2)
{
if (this.Count != v2.Count)
{
throw new QsException("Vectors are not equal");
}
if (this.Count != 3)
{
throw new QsException("Cross product only happens with 3 component vector");
}
// cross product as determinant of matrix.
QsMatrix mat = new QsMatrix(
new QsVector(QsScalar.One, QsScalar.One, QsScalar.One)
, this
, v2);
return(mat.Determinant());
// problem now: what if we have more than 3 elements in the vector.
// there is no cross product for more than 3 elements for vectors.
}
public override QsValue Execute(Token expression)
{
string operation = expression.TokenValue;
if (operation.Equals("Transpose()", StringComparison.OrdinalIgnoreCase))
{
return(this.Transpose());
}
if (operation.Equals("Identity", StringComparison.OrdinalIgnoreCase))
{
return(this.Identity);
}
if (operation.Equals("Determinant", StringComparison.OrdinalIgnoreCase))
{
return(QsMatrix.Determinant(this));
}
if (operation.Equals("Cofactors", StringComparison.OrdinalIgnoreCase))
{
return(this.Cofactors);
}
if (operation.Equals("Adjoint", StringComparison.OrdinalIgnoreCase))
{
return(this.Adjoint);
}
if (operation.Equals("Inverse", StringComparison.OrdinalIgnoreCase))
{
return(this.Inverse);
}
throw new QsException("Not implemented or Unknow method for the matrix type");
}
