Programming VIP

1, Introduction 1 Overview BP (Back Propagation) neural network was proposed by the scientific research group headed by Rumelhart and McCelland in 1986. See their paper learning representations by Back Propagation errors published in Nature. BP neural network is a multilayer feedforward network trained by error back propagation algorithm. It ...

1, Introduction 1 overview of genetic algorithm Genetic Algorithm (GA) is a part of evolutionary computation. It is a computational model that simulates the biological evolution process of Darwin's genetic selection and natural elimination. It is a method to search the optimal solution by simulating the natural evolution process. The algorithm ...

Scrambling code of OFDM 1. Purpose In digital communication, if long 0 or 1 sequences often appear, it will affect the establishment and maintenance of bit synchronization. Using scrambling code in the transmitter can avoid the adverse effect of this data on the timing of the receiver. At the same time, in order to limit the crosstalk caused b ...

1. Introduction to Random sample consensus (RANSAC) theory Ordinary LS is conservative: how to achieve the best under the existing data. It is to consider from the perspective of minimizing the overall error and try not to offend anyone. RANSAC is a reformist: first, assume that the data has some characteristics (purpose), and appropriately g ...

1, Introduction GUI image histogram, filtering, wavelet transform and segmentation processing system based on MATLAB Part1 introduction to the wavelet transform 1,Origin of the wavelet transform: The theories of Wavelet originate from diffierent areas of study:  Engineering Time-frequency analysis and Multiresolution Analysis  Computer V ...

Introduction to particle swarm optimization 03: with Matlab and python code (PSO) VIII: Inertia weight w reflects the ability of particles to inherit the previous velocity. Shi Y first introduced inertia weight w into PSO algorithm, and analyzed and pointed out that a larger inertia weight value is conducive to global search, while a smaller ...

catalogue Index by element position Using a single index Index using logical values In MATLAB ® There are three main methods to access array elements according to the position (index) of elements in the array: position index, linear index and logical index. Index by element position The most common method is to explicitly specify th ...

Principles Principle here , we can see from the principle that the K-means algorithm mainly has three parts - random initialization, clustering division and moving aggregation. Random initialization Using the randperm function, the 1 ∼ m ...

tips Because now there are many mature SVM software or packages to minimize the cost function to solve the parameter values. They are written by experts in the field of machine learning and use many advanced optimization and implementation skills. They are far from being comparable to the solutions I write now. Is it not fragrant? After u ...

  The following examples are the official examples of MathWorks. I have translated and sorted out the relevant knowledge points and recorded the learning notes.   Original link: https://ww2.mathworks.cn/help/nav/ref/referencepathfrenet.html Generate Alternative Trajectories for Reference Path Use Frenet coordinates to generate alterna ...