Constructor Detail

• Function

  public Function(String name,
                  int numArguments)

  Create a new Function with a given name and number of arguments

  Parameters:

  name - the name of the Function

  numArguments - the number of arguments the function takes

• Function

  public Function(String name)

  Create a new Function with a given name that takes a single argument

  Parameters:

  name - the name of the Function

Method Detail

• getName

  public String getName()

  Get the name of the Function

  Returns:

  the name

• getNumArguments

  public int getNumArguments()

  Get the number of arguments for this function

  Returns:

  the number of arguments

• apply

  public abstract double apply(double... args)

  Method that does the actual calculation of the function value given the arguments

  Parameters:

  args - the set of arguments used for calculating the function

  Returns:

  the result of the function evaluation

• getAllowedFunctionCharacters

  public static char[] getAllowedFunctionCharacters()

  Deprecated. since 0.4.5 All unicode letters are allowed to be used in function names since 0.4.3. This API Function can be safely ignored. Checks for function name validity can be done using Character.isLetter() et al.
  Get the set of characters which are allowed for use in Function names.

  Returns:

  the set of characters allowed

• isValidFunctionName

  public static boolean isValidFunctionName(String name)