switch (NumbXValue)
  {
    case '1':
     count = 3; //3 узла
      xValuePoint = [-1.5,0,1.5];
      yValuePoint = [-0.9975,0,0.9975];

      res = CalculatingCoordinatesFunctionPoints(count,3.14,xValuePoint,yValuePoint,xValuesOriginalFunc,yValuesOriginalFunc,xValuesInterpolatedFunction,yValuesInterpolatedFunction);

      break;

    case '2':
    count = 5; //5 узлов
      xValuePoint = [-3.14, -1.57,0,1.57,3.14];
      yValuePoint = [0,-0.999999683,0,0.999999683,0];
      res = CalculatingCoordinatesFunctionPoints(count,4,xValuePoint,yValuePoint,xValuesOriginalFunc,yValuesOriginalFunc,xValuesInterpolatedFunction,yValuesInterpolatedFunction);

    break;

    case '3':
     count = 11; //11 узлов
      xValuePoint = [-3.14,-2.512,-1.884,-1.256,-0.628,0,0.628,1.256,1.884,2.512,3.14];
      yValuePoint = [0,-0.58882,-0.951351,-0.95086,-0.58753,0,0.58753,0.95086,0.951351,0.58882,0];
      res = CalculatingCoordinatesFunctionPoints(count,4,xValuePoint,yValuePoint,xValuesOriginalFunc,yValuesOriginalFunc,xValuesInterpolatedFunction,yValuesInterpolatedFunction);

    break;

    case '4'://тут ошибка в заданной функции
     count = 11; //11 узлов
      xValuePoint = [-3.14,-2.512,-1.884,-1.256,-0.628,0,0.628,1.256,1.884,2.512,3.14];
      yValuePoint = [0,-0.58882,-0.951351,-0.95086,-0.58753,0,0.58753,5,0.951351,0.58882,0];
       res = CalculatingCoordinatesFunctionPoints(count,3.14,xValuePoint,yValuePoint,xValuesOriginalFunc,yValuesOriginalFunc,xValuesInterpolatedFunction,yValuesInterpolatedFunction);
    break;
    default:
      alert("Error");
      break;
  }