/// <summary>
/// Creates a new objective function specified through a string.
/// </summary>
/// <param name="function">
/// A <see cref="Expression{TDelegate}" /> containing
/// the function in the form of a lambda expression.
/// </param>
public QuadraticObjectiveFunction(Expression <Func <double> > function)
{
var terms = new Dictionary <Tuple <string, string>, double>();
double scalar;
QuadraticExpressionParser.ParseExpression(terms, function.Body, out scalar);
initialize(terms);
}
/// <summary>
/// Creates a new objective function specified through a string.
/// </summary>
/// <param name="function">
/// A <see cref="System.String" /> containing
/// the function in the form similar to "ax²+b".
/// </param>
/// <param name="culture">
/// The culture information specifying how
/// numbers written in the <paramref name="function" /> should
/// be parsed. Default is CultureInfo.InvariantCulture.
/// </param>
public QuadraticObjectiveFunction(string function, CultureInfo culture)
{
var terms = QuadraticExpressionParser.ParseString(function, culture);
initialize(terms);
}