def __init__(self, application_gui):
self.application_gui = application_gui
ConsoleLogger.set_output_stream(self.application_gui.consoleTextArea)
self.consoleLogger = ConsoleLogger.get_instance()
ResultLogger.set_output_stream(self.application_gui.resultTextArea)
self.resultLogger = ResultLogger.get_instance()
self.goal_function = GoalFunction() # goal function of an algorithm
def __init__(self):
self.console_logger = ConsoleLogger.get_instance()
self.console_logger.log("Base class properties initializing...", LoggerLevel.DEBUG)
self.start_boundary = [-5., -5.]
self.stop_boundary = [5., 5.]
self.resolution = [0.1, 0.1]
self.console_logger.log("Base class properties initialized", LoggerLevel.DEBUG)
def __init__(self,
expression,
start,
stop,
resolution,
tolerance=0.1,
debug=False):
"""
:param expression: expression of the goal function
:param start: begin of the function range
:param stop: end of the function range
:param resolution: resolution of points
:param tolerance: tolerance of calculations
:param tau: length of step
"""
GradientAlgorithm.__init__(self, expression, start, stop, resolution)
self.console_logger = ConsoleLogger.get_instance()
self.expression = expression
self.start = start
self.stop = stop
self.tolerance = tolerance
self.current_point = np.array([[0], [0]])
self.next_point = np.array([[0], [0]])
self.iteration = 0
self.max_nr_of_iterations = 100
self.minimum_found = False
self.debug = debug
def __init__(self):
self.console_logger = ConsoleLogger.get_instance()
self.console_logger.log("Base class properties initializing...",
LoggerLevel.DEBUG)
self.start_boundary = [-5., -5.]
self.stop_boundary = [5., 5.]
self.resolution = [0.1, 0.1]
self.console_logger.log("Base class properties initialized",
LoggerLevel.DEBUG)
def __init__(self, initial_function=None):
self.console_logger = ConsoleLogger.get_instance() # get logger
self.console_logger.log("Goal function initializing...", LoggerLevel.DEBUG)
self.__expression = "" # function expression
self.__function_name = "" # function simple name
self.__variables = ['x', 'y'] # variables in function
self.__parser = Parser() # function parser
self.__correctly_parsed = True # whether the function was correctly parsed
self.set_goal_function("x ^ 4 * (y + 1) ^ 2 + y ^ 4 * (x + 1) ^ 2") # set some default function
if initial_function: # if to constructor was passed function
self.set_goal_function(initial_function) # try to set it
self.console_logger.log("Goal function initialized", LoggerLevel.DEBUG)
def __init__(self, initial_function=None):
self.console_logger = ConsoleLogger.get_instance() # get logger
self.console_logger.log("Goal function initializing...",
LoggerLevel.DEBUG)
self.__expression = "" # function expression
self.__function_name = "" # function simple name
self.__variables = ['x', 'y'] # variables in function
self.__parser = Parser() # function parser
self.__correctly_parsed = True # whether the function was correctly parsed
self.set_goal_function("x ^ 4 * (y + 1) ^ 2 + y ^ 4 * (x + 1) ^ 2"
) # set some default function
if initial_function: # if to constructor was passed function
self.set_goal_function(initial_function) # try to set it
self.console_logger.log("Goal function initialized", LoggerLevel.DEBUG)
