RecommendationQuestionIn this part of the exercise, you will implement the collaborative filtering learning algorithm an

Anomaly DetectionQuestionIn this exercise, you will implement an anomaly detection algorithm to detect anomalous behavio

PCAQuestionIn this part of the exercise, you will run PCA on face images to see how it can be used in practice for dimen

Kmeans_2Question利用Kmeans算法，对目标图片进行减色处理。 理论基础即将色彩丰富的一张图片根据像素点的相似程度，换成仅有16种颜色的图片。这种操作可以在保留图片基本特征的同时大大减少内存的占用，视觉上打折扣，但是在使用上

Kmeans_1QuestionThe K-means algorithm is a method to automatically cluster similar data examples together. Concretely, y

Bias and VarianceQuestionIn the first half of the exercise, you will implement regularized linear regression to predict

Logistic Regression_3QuestionFor this exercise, you will use logistic regression and neural networks to recognize handwr

Logistic Regression_2QuestionSuppose you are the product manager of the factory and you have the test results for some m

Logistic Regression_1QuestionSuppose that you are the administrator of a university department and you want to determine

Latex在hexo文章中的换行问题问题今天在写博客的时候公式模块用到了向量，尝试用\\来进行换行。但是在aligned，equation，array等环境中尝试均发现没效果，跟我一样用hexo搭建个人博客的应该也会遇见这个问题。经过摸索（