POLAYOR

摘要： # 贝尔曼公式 ## Calculating return 1. Direct calculate 2. Bootstrapping (returns rely on each other) ### Bellman equation - Calculate returns in bootstrapp 阅读全文

摘要： # 基本概念 ## State $$ s_i\quad, \quad S = \{s_i\} $$ - 表示状态和状态空间（集合） ## Action $$ a_i \quad , \quad A = \{a_i\} $$ - 表示动作和动作空间（集合） - 可用Tabular representa 阅读全文

摘要： One Hot Encoding one method converting categorical variables to convenient variables (e.g. 0-1) using dummy variables Pandas Get dummy columns dummies 阅读全文

摘要： Neural Network Consist of many layers with coefficients. Divide one part into several subparts and repeat this step for proper times. Train Make a ran 阅读全文

摘要： Gradient Descent Use loops and delta to reduce the difference between y_predict and y import pandas as pd import numpy as np import matplotlib.pyplot 阅读全文

摘要： Linear Regression packages import pandas as pd import numpy as np import matplotlib.pyplot as plt from sklearn import linear_model model reg = Linear_ 阅读全文

摘要： Stack Method 优点：代码简单 缺点：不一定是最短路径 自己写的 maze = [ [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 0, 1, 0, 0, 1, 1, 1, 0, 1], [1, 0, 0, 0, 1, 1, 0, 0, 0, 1], [1, 0, 阅读全文

摘要： YOLOv7 CSDN文章 使用Git Bash 输入命令 成功运行keypoint.py #!/usr/bin/env python # coding: utf-8 # In[ ]: import matplotlib.pyplot as plt import torch import cv2 f 阅读全文

摘要： Week9 W9L1 Static Variable the particular member belongs to a type itself, rather than to an instance of that type. Array of Objects Just like int or 阅读全文

摘要： Week7 W7L1 Java Virtual Machine (JVM) JDK (Development Kit) JRE (Runtime Environment) JDB (Debugger) .java -> [javac compiler] -> .class -> [JVM] -> U 阅读全文