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"""Contains things related to calculating velocity."""
import numpy as np
numpy
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# .scrutinizer.yml before_commands: - sudo pip install abc # Python2 - sudo pip3 install abc # Python3
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__init__.py
class VelocityCalculator:
"""Calculate Velocity for single stage.
Attributes:
current_velocity (list) : list of coordinates of speed for current stage
"""
def __init__(self, stage):
self.stage = stage
self.c_1 = 0.5
self.c_2 = 0.5
self.w_factor = 0.8
self.current_velocity = None
def calculate_initial_velocity(self):
"""Calculate initial velocity."""
velocity = 0.02 * np.random.rand(len(self.stage.control_params)) - 0.01
self.current_velocity = velocity
return velocity
def calculate(self, particle_best_position, leader_best_position):
"""Calculate velocity."""
velocity = self._s0() + self.c_1 * self._s1(
leader_best_position) + self.c_2 * self._s2(particle_best_position)
def _s2(self, particle_best_position):
The coding style of this project requires that you add a docstring to this code element. Below, you find an example for methods:
class SomeClass: def some_method(self): """Do x and return foo."""
If you would like to know more about docstrings, we recommend to read PEP-257: Docstring Conventions.
return np.random.rand(len(self.stage.control_params)) * (
np.asarray(particle_best_position) - np.asarray(
self.stage.control_params))
def _s1(self, leader_best_position):
np.asarray(leader_best_position) - np.asarray(
def _s0(self):
return self.w_factor * self.current_velocity
qbahn /
grortir
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This can be caused by one of the following:
1. Missing Dependencies
This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands.
2. Missing __init__.py files
This error could also result from missing
__init__.pyfiles in your module folders. Make sure that you place one file in each sub-folder.