A vector can store multiple data values, similar to an array, but they can only store object references and not basic data types. Storing object references means they point to the object that contains the data rather than directly storing the data. Unlike arrays, vectors do not require size initialization. They can dynamically resize based … Read more
1、/*Output the 9*9 multiplication table. There are 9 rows and 9 columns, with i controlling the rows and j controlling the columns.*/ #include “stdio.h” main() {int i,j,result; for (i=1;i<10;i++) { for(j=1;j<10;j++) { result=i*j; printf(“%d*%d=%-3d”,i,j,result);/*-3d means left-aligned, occupying 3 spaces*/ } printf(“\n”);/*Line break after each row*/ } } 2、/*Classical problem: There is a pair of rabbits, … Read more
Last night, I tossed and turned in bed again, my mind filled with unfinished study tasks and upcoming exams. Suddenly, an idea flashed through my mind: it would be great to have a thoughtful study assistant to help me organize my time! Wait, I can write Python, can’t I? Why not do it myself and … Read more
Like other programming languages, in C++, an array is a collection of similar types of elements with contiguous memory locations. In C++, std::array is a container that encapsulates fixed-size arrays. In C++, array indexing starts at 0. We can only store a fixed number of elements in a C++ array. In C/C++ programming languages or … Read more
What is C++? C++ Programming C++ is a high-level programming language that evolved from C language, developed by Bjarne Stroustrup at AT&T Bell Labs in 1979. C++ can perform procedural programming as in C, as well as object-oriented programming characterized by abstract data types, and it can also implement polymorphic object-oriented programming.C++ excels at object-oriented … Read more
MATLAB stands for Matrix Laboratory, which is an environment based on matrix operations. All data in MATLAB is stored in the form of matrices or multidimensional arrays. Vectors and scalars are two special forms of matrices. A vector refers to a matrix that is either a single row or a single column, and it is … Read more
Part Two Lecture Introduction ❂ Command Line Editing ❂ Introductory Demonstration ❂ Help ❂ Simple Matrix Input ❂ Statements and Variables ❂ Data Structures: Vectors, Matrices, Struct Arrays, and Cell Arrays ❂ Mathematical Operations and Functions ❂ Plotting Commands Statements and Variables ① There are two common forms of MATLAB statementsi) Expression ii) variable = … Read more
As we all know, computer and programming skills have become highly sought after in many fields during this digital age. In university, C++ and Python courses provide students with the opportunity to learn and master two important programming languages. Whether for computer science majors or students from other disciplines, learning C++ and Python is of … Read more
Click the above “Visual Learning for Beginners” to choose to add a Star or “Top” Important content delivered promptly Since I summarized too much content, the length is a bit long, and this is also something I have been “patching together” for a long time. Py2 VS Py3 print became a function; in Python 2 … Read more
Click the above“Beginner’s Visual Learning” and choose to addStar or “Top” Important content delivered to you promptly Built-in functions are functions provided by Python that you can use directly, such as print, input, etc. As of Python version 3.6.2, a total of 68 built-in functions are provided, listed as follows 👇 abs() dict() help() min() … Read more