code cleanup
parent
9a61a7f1d6
commit
4de71f8850
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@ -10,7 +10,6 @@ Taylor-Reihe um 0.
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import numpy as np
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import random
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import struct
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import time
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import utils
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@ -61,9 +60,9 @@ def eval_fitness(bin_pop_values):
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# Create polynomial function with current parameters
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approx = lambda x: a*x**3 + b*x**2 + c*x + d
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e_func = lambda x: np.e**x
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quad_error = quadratic_error(e_func, approx, 3)
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quad_error = quadratic_error(e_func, approx, 3) # the bigger the error, the worse the fitness
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inverse_fitness = 1 / quad_error # the bigger the error, the worse the fitness
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inverse_fitness = 1 / quad_error # using inverse to find small errors easier
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# print("Fitness: " + str(inverse_fitness)) # debugging
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fitness_arr.append(inverse_fitness) # save fitness
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@ -129,13 +128,10 @@ def mutate(population, mutation_rate):
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# Convert back to string and update population
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population[random_num] = ''.join(bits) # will work because lists are passed by reference
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def main():
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global gray_pop, bin_pop, bin_pop_params, new_pop, fitness, fitness_arr
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bin_pop_values = generate_random_population(POPULATION_SIZE)
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iteration = 0
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print("Working...")
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# iteration = 0 # debugging
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while not np.any((np.array(fitness_arr)) > 200): # Continue while any fitness value is > 1
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# print("Iteration: " + str(iteration)) # debugging
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@ -160,21 +156,13 @@ def main():
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params = [bin_str[i:i+7] for i in range(0, 31, 8)]
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bin_pop_values.append(params)
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# time.sleep(0.5)
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iteration += 1
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# time.sleep(0.5) # debugging
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# iteration += 1 # debugging
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max_fitness_index = np.argmax(np.array(fitness_arr))
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a, b, c, d = [utils.bin_to_param(param) for param in bin_pop_values[max_fitness_index]]
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print("index: " + str(max_fitness_index))
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# print("index: " + str(max_fitness_index)) # debugging
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print("a: " + str(a) + "; b: " + str(b) + "; c: " + str(c) + "; d: " + str(d) )
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utils.plot_graph(a, b, c, d)
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return 0
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if __name__ == "__main__":
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main()
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print("found that shit")
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@ -6,43 +6,31 @@ def gray_to_bin(gray):
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Convert Gray code to binary, operating on the integer value directly.
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:returns: 32-bit String
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"""
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try:
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num = int(gray, 2) # Convert string to integer
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mask = num
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while mask != 0:
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mask >>= 1
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num ^= mask
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return format(num, '032b') # Always return 32-bit string
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except ValueError as e:
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print(f"Error in gray_to_bin with input: '{gray}'")
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raise e
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def bin_to_gray(binary):
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"""
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Convert binary to Gray code using XOR with right shift
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:returns: 32-bit String
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"""
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try:
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num = int(binary, 2) # Convert string to integer
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gray = num ^ (num >> 1) # Gray code formula: G = B ^ (B >> 1)
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return format(gray, '032b') # Always return 32-bit string
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except ValueError as e:
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print(f"Error in bin_to_gray with input: '{binary}'")
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raise e
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def bin_to_param(binary, q_min = 0.0, q_max = 10.0):
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"""
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Convert one binary string to float parameter in range [q_min, q_max]
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:returns: float
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"""
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try:
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val = int(binary, 2) / 25.5 * 10 # conversion to 0.0 - 10.0 float
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# Scale to range [q_min, q_max]
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q = q_min + ((q_max - q_min) / (2**len(binary))) * val
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return q
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except ValueError as e:
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print(f"Error in bin_to_param with input: '{binary}'")
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raise e
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def plot_graph(a, b, c, d):
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x = np.arange(-5., 5., 0.1)
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