Interview Collections Update 2017-07-30 TF中卷积操作如何实现(GPU) CNN反向传播推导 (Numpy实现) 什么是GDBT Logistic Regression中sigmoid的好处 求解二叉树最大高度(递归&非递归) 模型不收敛如何解决 2017-08-02 Confusion matrix (precision, recall, f_beta score) What is an ROC curve? What is the R2 score? 语义消歧的方法(semantic disambiguation)