public override Function GetDerivative(string name)
{
var left = new MulFunction(new ConstValueFunction(-1.0f), new Sin(_internal.Clone()));
var right = _internal.GetDerivative(name);
var result = new MulFunction(left, right);
return(result);
}
public override Function GetDerivative(string name)
{
var f1 = new SubFunction(new MulFunction(_left.GetDerivative(name), _right.Clone()),
new MulFunction(_left.Clone(), _right.GetDerivative(name)));
var f2 = new MulFunction(_right.Clone(), _right.Clone());
return(new DivideFunction(f1, f2));
}