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catalogue linear regression Univariate linear regression loss function gradient descent Find the linear regression function by gradient descent: Several important concepts (about data processing) Several common libraries: linear regression Linear regression is a statistical analysis method that uses regression analysis in mathem ...

It has been more than ten years since the birth of artificial intelligence and blockchain. When these technologies appear, people say they will change the world, but so far, the impact of these two technologies on reality is still limited. Technically, the principle of artificial intelligence is to find rules or patterns from a large amount of ...

1. Introduction to codemirrorCodeMirror is a general text editor implemented with JavaScript. It is specially used for code editing. It has built-in multiple development language modes and plug-ins, and supports code highlighting, automatic completion, search, shortcut keys, etc.CodeMirror is an open source project licensed by MIT. At present, ...

         balanced binary tree Balanced Binary Tree is also known as AVL tree. _Definition: An AVL tree is a binary lookup tree in which the balance factor for each node (defined as the height difference between the left and right subtrees of the node) is either zero or +1 or -1 (the height of an empty tree is defined as -1, although the ...

1, Question type The input is two one-dimensional arrays, representing the pre / middle / post order traversal and pre / middle / post order traversal results of the tree respectively, and the output is the output binary tree or sequence traversal or others. 2, Classification 　　1. Input: pre sequence + middle sequence} output 　　2. Input: ...

Search and graph theory (2) This section is about the shortest path. The most common short circuit problems are generally divided into two categories: Single source shortest circuitMulti source sink shortest path In the shortest path problem, the source point is the starting point and the sink point is the end point. Single source shor ...

Title Description: Source: LeetCode Link: https://leetcode-cn.com/problems/shu-zu-zhong-chu-xian-ci-shu-chao-guo-yi-ban-de-shu-zi-lcof/ A number in the array appears more than half the length of the array. Please find out this number.You can assume that the array is non empty and that there are always many elements in a given array. ...

AcWing basic algorithm (I) Quick sort subject Give you a sequence of integers with length nn. Please use quick sort to sort this sequence from small to large. And output the ordered sequence in order. Input format The input consists of two lines. The first line contains the integer nn. The second row contains nn integers (all integers a ...

Guide to series of articles Guide to series of articles Open source project All articles in this series will be included in GitHub for unified collection and management. Welcome ISSUE and Star. GitHub portal: Kiner algorithm preface After understanding the underlying implementation principle of hash table, the design of hash function, the ...

ISP-BLC(Black Level Correction) Causes of BL dark current Dark current, also known as non illumination current, refers to the current flowing in the light receiving elements of solar cells, photodiodes, photoconductive elements, photocells, etc. without light irradiation, which is generally caused by carrier diffusion or internal defects of ...