Question 1 Consider the problem of predicting how well a student does in her second year of college/university, given how well she did in her first year. Specifically, let x be equal to the number of “A” grades (including A-. A and A+ grades) that a…

NB: 因为softmax,NN看上去是分类,其实是拟合(回归),拟合最大似然. 多分类参见:[Scikit-learn] 1.1 Generalized Linear Models - Logistic regression & Softmax 感知机采用的是形式最简单的梯度 Perceptron and SGDClassifier share the same underlying implementation.In fact, Perceptron() is equivalent to S…

破解编码面试第六版 - JavaScript Cracking the Coding Interview: 189 Programming Questions and Solutions 6th Edition The Interview Process 面试过程 At most of the top tech companies (and many other companies). algorithm and coding problems form the largest componen…

Given a string, find the longest subsequence consisting of a single character. Example: longest("ABAACDDDBBA") should return {'D': 3}. const str = "AABCDDBBBEA"; function longest (str) { let max_count = , count = , max_char = null, prv…

Mesh Algorithm in OpenCascade eryar@163.com Abstract. Rendering a generic surface is a two steps process: first, computing the points that will form the mesh of the surface and then, send this mesh to 3D API. Use the Triangle to triangulate the param…

I collect and make up this pseudocode from the book: <<Introduction to the Design and Analysis of Algorithms_Second Edition>> _ Anany LevitinNote that throughout the paper, we assume that inputs to algorithms fall within their specified ranges…

QUESTION : What are the 10 algorithms one must know in order to solve most algorithm challenges/puzzles? ANSWER: Dynamic Programming (DP) appears to account for a plurality (some estimate up to a third) of contest problems. Of course, DP is also not…

Total Accepted: 23103 Total Submissions: 91679 Difficulty: Medium Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times. The algorithm should run in linear time and in O(1) space. Hint: How many majority elements cou…

What does it mean for an algorithm to be fair In 2014 the White House commissioned a 90-day study that culminated in a report (pdf) on the state of “big data” and related technologies. The authors give many recommendations, including this central war…

Abstract Our dating site introduced scoring and its related functionalities innovatively, conforming to people's natural inclination to score people of the other sex, while other sites simply ignored. In addition, we use the 2012 Nobel Laureate El Ro…