原文链接:https://swlaschin.gitbooks.io/fsharpforfunandprofit/content/posts/fvsc-sum-of-squares.html Comparing F# with C#: A simple sumF# PK C#:简单的求和 To see what some real F# code looks like, let's start with a simple problem: "sum the squares from 1 to N…
Author: Emmanuel Goossaert 翻译 This article is a short guide to implementing an algorithm from a scientific paper. I have implemented many complex algorithms from books and scientific publications, and this article sums up what I have learned while se…
1. Clustering Analysis Clustering is the process of grouping a set of (unlabeled) data objects into multiple groups or clusters such that objects within a cluster have high similarity, but are very dissimilar to objects in other clusters. Dissimilari…
An Attempt to Understand Boosting Algorithm(s) WELCOME! Here you will find daily news and tutorials about R, contributed by over 573 bloggers. There are many ways tofollow us - By e-mail: On Facebook: If you are an R blogger yourself you are invited…
Introduction Optimization is always the ultimate goal whether you are dealing with a real life problem or building a software product. I, as a computer science student, always fiddled with optimizing my code to the extent that I could brag about its…
Redis 5.0 release notes ======================= -------------------------------------------------------------------------------- Upgrade urgency levels: LOW: No need to upgrade unless there are new features you want to use. MODERATE: Program an upgra…
Go 1.6 Release Notes Introduction to Go 1.6 Changes to the language Ports Tools Cgo Compiler Toolchain Gccgo Go command Go doc command Go vet command Performance Core library HTTP/2 Runtime Reflect Sorting Templates Minor changes to the library Intro…
Go 1.7 Release Notes Introduction to Go 1.7 Changes to the language Ports Known Issues Tools Assembler Compiler Toolchain Cgo Gccgo Go command Go doc Go vet Go tool dist Go tool trace Performance Core library Context HTTP Tracing Testing Runtime Mino…
6 Easy Steps to Learn Naive Bayes Algorithm (with code in Python) Introduction Here’s a situation you’ve got into: You are working on a classification problem and you have generated your set of hypothesis, created features and discussed the importanc…
Go 1.5 Release Notes Introduction to Go 1.5 Changes to the language Map literals The Implementation No more C Compiler and tools Garbage collector Runtime Build Ports Tools Translating Renaming Moving Compiler Assembler Linker Go command Go vet comma…
Go 1.3 Release Notes Introduction to Go 1.3 Changes to the supported operating systems and architectures Removal of support for Windows 2000 Support for DragonFly BSD Support for FreeBSD Support for Native Client Support for NetBSD Support for OpenBS…
Go 1.2 Release Notes Introduction to Go 1.2 Changes to the language Use of nil Three-index slices Changes to the implementations and tools Pre-emption in the scheduler Limit on the number of threads Stack size Cgo and C++ Godoc and vet moved to the g…
1. Feedforward and cost function; 2.Regularized cost function: 3.Sigmoid gradient The gradient for the sigmoid function can be computed as: where: 4.Random initialization randInitializeWeights.m function W = randInitializeWeights(L_in, L_out) %RANDIN…
C. Tourist's Notes Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/538/problem/C Description A tourist hiked along the mountain range. The hike lasted for n days, during each day the tourist noted height above the sea level…
Serialization is the process of saving an object's state to a sequence of bytes; deserialization is the process of rebuilding those bytes into a live object. The Java Serialization API provides a standard mechanism for developers to handle object ser…
2596: Music Notes Time Limit(Common/Java):1000MS/10000MS Memory Limit:65536KByteTotal Submit: 3 Accepted:3 Description FJ is going to teach his cows how to play a song. The song consists of N (1 ≤ N ≤ 100) notes, and the i-th note las…
latex Table of Contents 1. Presentation/Slides with Beamer 2. Drawing in LaTex With TikZ 3. Tracked changes and comments with todonotes 4. Latex 4.1. nomenclature in article 4.2. section without number 4.3. page break 4.4. defining a new environment…
iproute2+tc notes The iproute2+tc package allows access to the variety of neat new networking features in the 2.2 kernels. Policy routing, NAT, QoS, advanced tunnels, RSVP and Differentiated services, are just a few of the buzzword capabilities unlea…