/// <summary>
/// \/ * value operation is called gradient
/// gradient over scalar field generate a vector
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public override QsValue MultiplyOperation(QsValue value)
{
var fscalar = value as QsScalar;
if (!Object.ReferenceEquals(fscalar, null))
{
// Here we will multiply the nabla \/ * with @function
if (!Object.ReferenceEquals(fscalar.FunctionQuantity, null))
{
var f = fscalar.FunctionQuantity.Value;
string[] prms = f.ParametersNames;
SymbolicVariable fsv = f.ToSymbolicVariable();
QsVector GradientResult = new QsVector();
// we loop through the symbolic body and differentiate it with respect to the function parameters.
// then accumulate the
foreach (string prm in prms)
{
GradientResult.AddComponent(fsv.Differentiate(prm).ToQuantity().ToScalar());
}
return(GradientResult);
}
}
if (value is QsVector)
{
return(this.DelVector.MultiplyVector((QsVector)value));
}
throw new NotImplementedException(@"Multiplication of \/ * " + value.GetType().Name + " Not implemented yet");
}
/// <summary>
/// \/ x F is called curl of vector
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public override QsValue CrossProductOperation(QsValue value)
{
if (value is QsVector)
{
return(this.DelVector.CrossProductOperation((QsVector)value));
}
throw new NotImplementedException(@"\/ x " + value.GetType().Name + " not implemented");
}
