Best Python code snippet using hypothesis
prediction.py
Source:prediction.py
1import numpy as np2class Prediction:3 def train(self, method_str, method, state, action, max_episodes, max_steps, file_log, state_kinds=None):4 episode_total_reward = []5 episode_step_reward = []6 episode_mae = []7 action_true = []8 action_predict = []9 for episode in range(max_episodes):10 episode_reward = 011 count_step = 012 index = np.random.choice(range(len(state)))13 s = state[index]14 if method_str == "DF-DQN":15 kind = state_kinds[index]16 for step in range(max_steps):17 count_step += 118 a_true = action[index]19 action_true.append(a_true)20 if method_str == "DQN":21 a, a_value = method.choose_action(state=s, stage="train")22 action_predict.append(a_value)23 r = -abs(a_value - a_true)24 elif method_str == "DF-DQN":25 a, a_value = method.choose_action(state=s, kind=kind, stage="train")26 action_predict.append(a_value)27 r = -abs(a_value - a_true)28 elif method_str == "DDPG":29 a = method.choose_action(state=s, stage="train")30 a = np.reshape(a, (1, -1))[0][0]31 action_predict.append(a)32 r = -abs(a - a_true)33 episode_step_reward.append(r)34 episode_reward += r35 index += 136 if index == len(state):37 break38 s_ = state[index]39 if method_str == "DF-DQN":40 kind = state_kinds[index]41 method.store_transition(s, a, r, s_)42 method.learn(count_step)43 if (index == len(state) - 1) or (step == max_steps - 1):44 episode_total_reward.append(episode_reward) # ä¿åæ¯ä¸ªååç累计å¥èµ45 print('Episode %d : %.2f' % (episode, episode_reward))46 file_log.write('Episode %d : %.2f\n' % (episode, episode_reward)) # æå°ååæ°åå¥èµç´¯è®¡å¼47 break48 s = s_49 episode_reward = np.reshape(episode_reward, (1, -1))[0][0]50 episode_mae.append((-episode_reward) / count_step) # 计ç®æ¯ååçmaeï¼çæ¶ææ
åµ51 return method, episode_mae, action_predict, action_true, episode_step_reward # å°è®ç»å¥½çagentè¿ååºå»52 def prediction(self, method_str, method, state, action, state_kinds=None):53 action_predict = []54 action_true = []55 for i in range(len(state)):56 s = state[i]57 if method_str == "DF-DQN":58 kind = state_kinds[i]59 action_true.append(action[i])60 if method_str == "DQN":61 a, a_value = method.choose_action(state=s, stage="test")62 action_predict.append(a_value)63 elif method_str == "DF-DQN":64 a, a_value = method.choose_action(state=s, kind=kind, stage="test")65 action_predict.append(a_value)66 elif method_str == "DDPG":67 a = method.choose_action(state=s, stage="test")68 a = np.reshape(a, (1, -1))[0][0]69 action_predict.append(a)...
pedometer.py
Source:pedometer.py
...10gz = [] # the gyroscope of z-axis11i_step = []12flag = False1314def count_step(g_window):15 # applying fft algorithm16 sliding_window = len(g_window)17 T = 0.05 # 50ms18 g_windowf = fft(g_window)19 g_f = 2.0/sliding_window * np.abs(g_windowf[0:sliding_window//2])20 xf = np.linspace(0.0, 1.0/(2.0*T), sliding_window//2)2122 index = np.where(np.logical_and(xf>=0.6, xf<=2))23 index_1 = np.where(np.logical_and(xf>=0, xf<=0.6))24 if index[0].size == 0:25 return 026 else:27 xf_between = xf[index]28 g_windowf_between = g_f[index]29 # g_windowf_between_1 = g_f[index_1]30 if np.mean(g_windowf_between) >= 2.5:31 index_max = np.where(g_windowf_between == max(g_windowf_between))32 count_step = xf_between[index_max[0][0]]*1.233 return count_step34 else:35 return 03637while True:38 cc = str(ser.readline())39 raw_data = cc.split(",")40 if (len(cc)<16) or len(raw_data) != 3:41 continue42 else:43 gz.append(float(raw_data[1]))4445 if len(gz)% 50 == 0:46 flag = True47 i_th_step = round(count_step(gz))48 i_step.append(i_th_step)49 if i_th_step == 0:50 flag = False51 gz = []52 os.system('cls')53 if flag:54 print("Current Status: Walking")55 print("Step Count:", sum(i_step))56 else:57 print("Current Status: Standing or Typing")
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Fibonacci, Quantas Chamadas - 1029.py
Source:Fibonacci, Quantas Chamadas - 1029.py
1def fibonacci(n, computed = {0: 0, 1: 1}):2 if n not in computed:3 computed[n] = fibonacci(n-1, computed) + fibonacci(n-2, computed)4 return computed[n]567def count_step_fibonacci(n, count_step = {0: 0, 1: 0, 2: 2}):8 if n not in count_step:9 count_step[n] = count_step_fibonacci(n-1, count_step) + count_step_fibonacci(n-2, count_step) + 210 return count_step[n]111213num = int(input())14inputs = []15for x in range(0, num):16 try:17 read = input()18 if read is '':19 break20 inputs.append(int(read))21 except EOFError:22 break232425for number in inputs:
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