Class StepFunction

Constructor Details

• StepFunction

  public StepFunction(double[] x, double[] y) throws NullArgumentException, NoDataException, DimensionMismatchException, NonMonotonicSequenceException

  Builds a step function from a list of arguments and the corresponding values. Specifically, returns the function h(x) defined by

  
   h(x) = y[0] for all x < x[1]
          y[1] for x[1] ≤ x < x[2]
          ...
          y[y.length - 1] for x ≥ x[x.length - 1]
   

  The value of x[0] is ignored, but it must be strictly less than x[1].

  Parameters:

  x - Domain values where the function changes value.

  y - Values of the function.

  Throws:

  NonMonotonicSequenceException - if the x array is not sorted in strictly increasing order.

  NullArgumentException - if x or y are null.

  NoDataException - if x or y are zero-length.

  DimensionMismatchException - if x and y do not have the same length.