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Neural Network and Deep Learning week 2 1. Logistic Regression as a Neural Network 1.1 Binary Classification 图像在计算机的存储 三个矩阵，分别存储RGB值,可以转化为一个向量： X=[R...,G...,B...]X=[R...,G...,B...]X=[R.....

Python Basics with Numpy (optional assignment) 1 Building basic functions with numpy Numpy is the main package for scientific computing in Python. It is maintained by a large community (www.numpy.o...

Logistic Regression with a Neural Network mindset Welcome to your first (required) programming assignment! You will build a logistic regression classifier to recognize cats. This assignment will ste...

作业思路整理 数据预处理 1. 导入数据 2.把train和test的格式变一致了 3.standardlize 算法构建 步骤 1.sigmoid 2. initializing parameters 3. Forward and Backward propagation 4. optimization 5.predict 6. merge all function into a mo...