//JAVA TO C# CONVERTER WARNING: 'final' parameters are not available in .NET:
//ORIGINAL LINE: protected void assertInputs(final Minimizer<java.util.function.Function<com.opengamma.strata.collect.array.DoubleArray, double>, com.opengamma.strata.collect.array.DoubleArray> minimizer)
protected internal virtual void assertInputs(Minimizer <System.Func <DoubleArray, double>, DoubleArray> minimizer)
{
try
{
minimizer.minimize(null, DoubleArray.of(2d, 3d));
Assert.fail();
}
//JAVA TO C# CONVERTER WARNING: 'final' catch parameters are not available in C#:
//ORIGINAL LINE: catch (final IllegalArgumentException e)
catch (legalArgumentException)
{
// Expected
}
try
{
minimizer.minimize(F_2D, null);
Assert.fail();
}
//JAVA TO C# CONVERTER WARNING: 'final' catch parameters are not available in C#:
//ORIGINAL LINE: catch (final IllegalArgumentException e)
catch (legalArgumentException)
{
// Expected
}
}
protected void Application_Start()
{
Thread.CurrentThread.CurrentUICulture = new CultureInfo("en-us");
AreaRegistration.RegisterAllAreas();
WebApiConfig.Register(GlobalConfiguration.Configuration);
FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
RouteConfig.RegisterRoutes(RouteTable.Routes);
//Initialize your application
WebSettingsConfig.Instance.SetDeferredSettings(webSettingsConfig => {
ISalesSettings salesSettings = webSettingsConfig.GetSalesSettings(SectionId.VisualDictionary);
if (salesSettings == null)
{
return;
}
long languageId = WebSettingsConfig.Instance.GetLanguageFromId();
var representationsQuery = new RepresentationsQuery(languageId);
List <SalesItemForUser> allSalesItems =
representationsQuery.GetForSales(WebSettingsConfig.Instance.DefaultUserLanguages,
salesSettings);
var salesCalculator = new SalesCalculator(allSalesItems, allSalesItems, salesSettings.Discount);
salesSettings.SummDiscountPrice = salesCalculator.SummDiscountPrice;
}, webSettingsConfig => {
//кладем в кэш файл sitemap.xml
SitemapFileGenerator.Generate(false);
}, webSettingsConfig => {
//подчистить старые файлы js/css
Minimizer.DeleteOldFiles(webSettingsConfig.WebPath);
});
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are not available in .NET:
//ORIGINAL LINE: protected void assertMinimizer(final Minimizer<java.util.function.Function<com.opengamma.strata.collect.array.DoubleArray, double>, com.opengamma.strata.collect.array.DoubleArray> minimizer, final double tol)
protected internal virtual void assertMinimizer(Minimizer <System.Func <DoubleArray, double>, DoubleArray> minimizer, double tol)
{
DoubleArray r = minimizer.minimize(F_2D, DoubleArray.of(10d, 10d));
assertEquals(r.get(0), -3.4, tol);
assertEquals(r.get(1), 1, tol);
r = (minimizer.minimize(ROSENBROCK, DoubleArray.of(10d, -5d)));
assertEquals(r.get(0), 1, tol);
assertEquals(r.get(1), 1, tol);
}
/// <inheritdoc/>
public override void Apply(Minimizer minimizer)
{
base.Apply(minimizer);
if (_strictMirror)
{
minimizer.AddConstraint(new Squared(Scale) - 1, $"keep scale of {Name}");
}
else
{
minimizer.Minimize += 1e6 * (new Squared(Scale) + 1.0 / new Squared(Scale));
}
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are not available in .NET:
//ORIGINAL LINE: protected void assertSolvingRosenbrock(final Minimizer<java.util.function.Function<com.opengamma.strata.collect.array.DoubleArray, double>, com.opengamma.strata.collect.array.DoubleArray> minimizer, final double tol)
protected internal virtual void assertSolvingRosenbrock(Minimizer <System.Func <DoubleArray, double>, DoubleArray> minimizer, double tol)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final com.opengamma.strata.collect.array.DoubleArray start = com.opengamma.strata.collect.array.DoubleArray.of(-1d, 1d);
DoubleArray start = DoubleArray.of(-1d, 1d);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final com.opengamma.strata.collect.array.DoubleArray solution = minimizer.minimize(ROSENBROCK, start);
DoubleArray solution = minimizer.minimize(ROSENBROCK, start);
assertEquals(1.0, solution.get(0), tol);
assertEquals(1.0, solution.get(1), tol);
}
/// <summary>
/// Solves the unknowns in this circuit.
/// </summary>
public void Solve()
{
var minimizer = new Minimizer();
minimizer.Warning += Warn;
// Build the function that needs to be minimized
for (var i = 0; i < _wires.Count; i++)
{
foreach (var length in _wires[i].Lengths)
{
if (length.IsFixed)
{
if (length.Value < 0.0)
{
Warn(this, new WarningEventArgs($"Wire length '{length}' is smaller than 0."));
}
continue;
}
var x = length - WireLength;
minimizer.Minimize += 1e3 * (x + new Squared(x) + new Exp(-x));
length.Value = WireLength;
minimizer.AddMinimum(length, 0.0);
}
}
foreach (var c in _components)
{
c.Value.Apply(minimizer);
}
foreach (var c in _constraints)
{
if (!c.Key.IsFixed)
{
minimizer.AddConstraint(c.Key, c.Value);
}
else
{
if (!c.Key.Value.IsZero())
{
Warn(this, new WarningEventArgs($"Could not {c.Value}"));
}
}
}
minimizer.Solve();
Solved = true;
minimizer.Warning -= Warn;
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are not available in .NET:
//ORIGINAL LINE: protected void assertSolvingUncoupledRosenbrock(final Minimizer<java.util.function.Function<com.opengamma.strata.collect.array.DoubleArray, double>, com.opengamma.strata.collect.array.DoubleArray> minimizer, final double tol)
protected internal virtual void assertSolvingUncoupledRosenbrock(Minimizer <System.Func <DoubleArray, double>, DoubleArray> minimizer, double tol)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final com.opengamma.strata.collect.array.DoubleArray start = com.opengamma.strata.collect.array.DoubleArray.of(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
DoubleArray start = DoubleArray.of(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final com.opengamma.strata.collect.array.DoubleArray solution = minimizer.minimize(UNCOUPLED_ROSENBROCK, start);
DoubleArray solution = minimizer.minimize(UNCOUPLED_ROSENBROCK, start);
for (int i = 0; i < solution.size(); i++)
{
assertEquals(1.0, solution.get(i), tol);
}
}
/// <summary>
/// Refines an intersection pair for two curves given an initial guess.<br/>
/// This is an unconstrained minimization, so the caller is responsible for providing a very good initial guess.
/// </summary>
/// <param name="crv0">The first curve.</param>
/// <param name="crv1">The second curve.</param>
/// <param name="firstGuess">The first guess parameter.</param>
/// <param name="secondGuess">The second guess parameter.</param>
/// <param name="tolerance">The value tolerance for the intersection.</param>
/// <returns>The results collected into the object <see cref="CurvesIntersectionResult"/>.</returns>
internal static CurvesIntersectionResult CurvesWithEstimation(NurbsBase crv0, NurbsBase crv1,
double firstGuess, double secondGuess, double tolerance)
{
IObjectiveFunction objectiveFunctions = new CurvesIntersectionObjectives(crv0, crv1);
Minimizer min = new Minimizer(objectiveFunctions);
MinimizationResult solution = min.UnconstrainedMinimizer(new Vector {
firstGuess, secondGuess
}, tolerance * tolerance);
// These are not the same points, also are used to filter where the intersection is not happening.
Point3 pt1 = crv0.PointAt(solution.SolutionPoint[0]);
Point3 pt2 = crv1.PointAt(solution.SolutionPoint[1]);
return(new CurvesIntersectionResult(pt1, pt2, solution.SolutionPoint[0], solution.SolutionPoint[1]));
}
/// <summary>
/// Refines an intersection between a curve and a plane given an initial guess.<br/>
/// This is an unconstrained minimization, so the caller is responsible for providing a very good initial guess.
/// </summary>
/// <param name="crv">The curve to intersect.</param>
/// <param name="plane">The plane to intersect with the curve.</param>
/// <param name="firstGuess">The first guess parameter.</param>
/// <param name="secondGuess">The second guess parameter.</param>
/// <param name="tolerance">The value tolerance for the intersection.</param>
/// <returns>The results collected into the object <see cref="CurvePlaneIntersectionResult"/>.</returns>
internal static CurvePlaneIntersectionResult CurvePlaneWithEstimation(NurbsBase crv, Plane plane,
double firstGuess, double secondGuess, double tolerance)
{
IObjectiveFunction objectiveFunctions = new CurvePlaneIntersectionObjectives(crv, plane);
Minimizer min = new Minimizer(objectiveFunctions);
MinimizationResult solution = min.UnconstrainedMinimizer(new Vector {
firstGuess, secondGuess
}, tolerance * tolerance);
Point3 pt = crv.PointAt(solution.SolutionPoint[0]);
(double u, double v)parameters = plane.ClosestParameters(pt);
Vector uv = new Vector {
parameters.u, parameters.v, 0.0
};
return(new CurvePlaneIntersectionResult(pt, solution.SolutionPoint[0], uv));
}
public double ParameterAtChordLength(double t, double chordLength)
{
if (chordLength <= 0)
{
throw new ArgumentException("Chord length must be greater than 0.");
}
if (chordLength >= Length)
{
return(1.0);
}
IObjectiveFunction objectiveFunction = new ChordLengthObjective(this, t, chordLength);
Minimizer min = new Minimizer(objectiveFunction);
var lengthAtPrevious = LengthAt(t);
var initialGuess = ParameterAtLength(lengthAtPrevious + chordLength);
MinimizationResult solution = min.UnconstrainedMinimizer(new Vector {
initialGuess, initialGuess
});
return(solution.SolutionPoint[0]);
}
/// <inheritdoc/>
public virtual void Apply(Minimizer minimizer)
{
// Make any minimization of the coordinates very weak to avoid having issues with our other minimizations
// We will give a small priority to Y-coordinates to avoid problems with arbitrary rotational
minimizer.Minimize += new Squared(1e-6 * X) + new Squared(1.1e-6 * Y);
}
public override void Apply(Minimizer minimizer)
{
base.Apply(minimizer);
minimizer.Minimize += new Squared(NormalX - 1) / 1e4;
minimizer.AddConstraint(new Squared(NormalX) + new Squared(NormalY) - 1, $"fix orientation of {Name}");
}
public ActionResult Minimize(int group_id)
{
VDolgah.Models.Minimizer min = new Minimizer();
min.MinGroup(group_id);
return(RedirectToAction("Index", new { group_id = group_id }));
}