awk – SyntaxBug

Exclusive and original! The sparrow optimization algorithm that combines northern goshawk and adaptive t distribution has excellent results! Highly recommended product! MATLAB code…

Statement: Resale and reselling of the author’s original code is prohibited, and violators will be prosecuted! The sparrow search algorithm (SSA) was proposed in 2020 and has been widely used in many fields. The design of the Sparrow algorithm is inspired by the biological characteristics of birds. The mathematical model established based on the foraging […]

[Threshold Segmentation] Multi-threshold image segmentation based on improved northern goshawk optimization algorithm with Matlab code

?About the author: A Matlab simulation developer who loves scientific research. He cultivates his mind and improves his technology simultaneously. For code acquisition, paper reproduction and scientific research simulation cooperation, please send a private message. Personal homepage: Matlab Research Studio Personal credo: Investigate things to gain knowledge. For more complete Matlab code and simulation customization […]

Threshold Segmentation | Multi-threshold image segmentation based on improved northern goshawk optimization algorithm with Matlab implementation

Multi-threshold image segmentation based on improved northern goshawk optimization algorithm with Matlab code

[Image Segmentation-Threshold Segmentation] Multi-threshold image segmentation based on improved northern goshawk optimization algorithm with Matlab code

[Image Segmentation-Threshold Segmentation] Multi-threshold image segmentation based on the improved northern goshawk optimization algorithm with Matlab code…

RHCE—shell script programming awk

Article Directory Table of Contents Article directory Preface 1.awk concept 2. Workflow 3.awk execution method 4.awk syntax structure and cases Pure command execution script awk command calls script execution Direct awk pure script execution 5. Records and Domains concept: 6. awk variables Summarize Foreword The previous article has introduced in detail two of the grep […]

Using mavros to communicate between pixhawk and raspberry pi 4B

Environment Windows 11 pixhawk2.4.8 Raspberry Pi 4B QGroundControl 4.2.8 Mission Planner 1.3.80 ardupilot ubuntu 20.04.2 ros noetic (The software and hardware versions used by me are for reference only) Steps Install firmware on pixhawk (I use arduSub 4.2.0) Install ubuntu20 on Raspberry Pi Raspberry Pi enables hardware serial communication Install ros on raspberry pi Install […]

3. Advanced operations and techniques of awk arrays

Article directory Preface 1. Multidimensional array operations with awk 1. Create and initialize awk’s multidimensional array. 2. Access multidimensional array elements. 2. Advanced operations on arrays 1. Use arrays to implement counters: 2. AWK for data grouping and statistics 3. Sorting of arrays in awk 1. awk built-in function sorting 2. awk custom sorting function […]

shell three musketeers (grep, sed, awk)

Table of Contents 1. Regular expressions 1 Overview 2. Basic metacharacters of regular expressions 3. Regular expression expansion metacharacters 2. grep and egrep 1.Basic example 3.sed (streaming text editor) sed stream editor usage and analysis 4.awk text editor tool awk commonly used built-in variables Example 1. Regular expression 1. Overview Regular Expression (RE) is a […]