public UnivariateFunctionAnonymous6(BivariateFunction f, ref double dfixed)
{
this.f = f;
this.dfixed = dfixed;
}
public MultivariateFunctionAnonymous(BivariateFunction combiner, UnivariateFunction f, ref double initialValue)
{
this.combiner = combiner;
this.f = f;
this.initialValue = initialValue;
}
/// <summary>
/// Creates a unary function by fixing the second argument of a binary function.
/// </summary>
/// <param name="f">Binary function.</param>
/// <param name="dfixed">Value to which the second argument of <c>f</c> is set.</param>
/// <returns>the unary function h(x) = f(x, dfixed)</returns>
public static UnivariateFunction fix2ndArgument(BivariateFunction f, double dfixed)
{
return(new UnivariateFunctionAnonymous6(f, ref dfixed));
}
public UnivariateFunctionAnonymous4(BivariateFunction combiner, UnivariateFunction f, UnivariateFunction g)
{
this.combiner = combiner;
this.f = f;
this.g = g;
}
/// <summary>
/// Returns a MultivariateFunction h(x[]) defined by <code>
/// h(x[]) = combiner(...combiner(combiner(initialValue,x[0]),x[1])...),x[x.Length-1])
/// </code>
/// </summary>
/// <param name="combiner">Combiner function.</param>
/// <param name="initialValue">Initial value.</param>
/// <returns>a collector function.</returns>
public static MultivariateFunction collector(BivariateFunction combiner, double initialValue)
{
return(collector(combiner, new Identity(), initialValue));
}
/// <summary>
/// Returns a MultivariateFunction h(x[]) defined by <code>
/// h(x[]) = combiner(...combiner(combiner(initialValue,f(x[0])),f(x[1]))...),f(x[x.Length-1]))
/// </code>
/// </summary>
/// <param name="combiner">Combiner function.</param>
/// <param name="f">Function.</param>
/// <param name="initialValue">Initial value.</param>
/// <returns>a collector function.</returns>
public static MultivariateFunction collector(BivariateFunction combiner, UnivariateFunction f, double initialValue)
{
return(new MultivariateFunctionAnonymous(combiner, f, ref initialValue));
}
/// <summary>
/// Returns the univariate function <para/>
/// <c>h(x) = combiner(f(x), g(x))</c>.
/// </summary>
/// <param name="combiner">Combiner function.</param>
/// <param name="f">Function.</param>
/// <param name="g">Function.</param>
/// <returns>the composite function.</returns>
public static UnivariateFunction combine(BivariateFunction combiner, UnivariateFunction f, UnivariateFunction g)
{
return(new UnivariateFunctionAnonymous4(combiner, f, g));
}
public FirstUnivariateFunction(BivariateFunction bivariate, double fixedValue)
{
_bivariateFunction = bivariate;
_fixedValue = fixedValue;
}
/// <summary>
/// Creates a unary function by fixing the second argument of a binary function.
/// </summary>
/// <param name="f">Binary function..</param>
/// <param name="fixed">Value to which the second argument of {@code f} is set..</param>
/// <returns>the unary function h(x) = f(x, fixed)</returns>
public static UnivariateFunction fix2ndArgument(BivariateFunction f, double @fixed)
{
return(new FirstUnivariateFunction(f, @fixed));
}
