/// <summary> /// Returns instance of InterpolativeMathFunction with automatically generated derivations. /// </summary> /// <param name="expression">Interpreted math function of two real variables i.e. "x^2 + y^2".</param> /// <returns> /// Instance of class if mathExpression is in correct format, othervise /// returns null; /// </returns> public static InterpolativeMathFunction FromExpression(MathExpression expression) { // TODO: osetrit vynimky pre neplatne vstupy var f = expression.Interpret(); var dx = expression.InterpretMathDifferentiation (expression.Variables[0]); var dy = expression.InterpretMathDifferentiation (expression.Variables[1]); var dxy = expression.InterpretMathDifferentiation (expression.Variables[0], expression.Variables[1]); return new InterpolativeMathFunction(f, dx, dy, dxy); }