## C language to calculate linear equations

Today, let's solve linear equations with c.
There are two ways to solve linear equations manually.
1. Solve by elimination
2. Solve through matrix determinant, etc
Now we want to use c language to solve linear equations with determinant. Before solving, we must first learn the knowledge of determinant. If you don't know determinant, please ...

Posted by **mrwhale** on *Thu, 10 Mar 2022 09:20:42 +0100*

## Three hundred lines of Java per day (08 days, code implementation of matrix multiplication)

Three hundred lines of Java per day (08 days, code implementation of matrix multiplication)
Note: here are the synchronous notes and records of JAVA self-study and understanding. If you have any questions, please correct them
1, Connotation of matrix multiplication
First, we need to have a basic understanding of matrix multiplication. A ...

Posted by **direction** on *Mon, 28 Feb 2022 06:24:48 +0100*

## [template] zhinai sauce's static array maintenance problem polynomial (multiple difference array - polynomial processing)

subject
Original question link
Problem description
thinking
The advantage of differential array is that it can move the whole body by pulling one hair. By processing one position, the values of subsequent positions can be changed.
The operation we are facing at this time is to process the interval, and the processing is not simply ad ...

Posted by **Ruiser** on *Fri, 25 Feb 2022 09:12:05 +0100*

## Matlab learning notes 2: basic knowledge of MATLAB (middle)

Please note before reading:
1. This learning note is the learning record of MATLAB training of HelloWorld programming Association of central China Normal University in 2021 winter vacation. It is a summary and expanded reading based on the training classroom content. The content of the blog is written and edited by @ K2SO4 potassium and publis ...

Posted by **lakshmiyb** on *Thu, 10 Feb 2022 11:05:43 +0100*

## Codeforces Round #769 (Div. 2) A -D

https://codeforces.com/contest/1632
A
If there is a palindrome substring in a string whose length is greater than 1, NO is output; otherwise, YES is outputViolence can be done, but there is a better idea. Note that this is a 01 string. If the length is greater than 2, there must be such a palindrome string, because both 001 and 010 meet this ...

Posted by **vMan** on *Thu, 03 Feb 2022 07:28:24 +0100*

## [principles and cases of fuzzy comprehensive evaluation]

fuzzy mathematics
What is fuzzy mathematics?
Fuzzy mathematics, also known as fuzzy mathematics or fuzzy mathematics. After 1965, fuzzy topology, fuzzy measure theory and other mathematical fields developed on the basis of fuzzy set and fuzzy logic. It is a mathematical tool to study many unclear or even fuzzy problems in the real world. ...

Posted by **kristinac** on *Tue, 25 Jan 2022 04:06:29 +0100*

## OI linear algebra - matrix

OI linear algebra - matrix
This chapter only discusses linear algebra in OI. For too advanced knowledge of linear algebra, please refer to other textbooks.
Matrix and vector
Matrix is a mathematical concept, which corresponds to a two-dimensional array in a computer. For example:
A
...

Posted by **jamfrag** on *Sat, 22 Jan 2022 05:48:41 +0100*

## Using CGAL-5.3.1 (download, installation, VS property sheet configuration) + test code under Windows

1 CGAL overview
Computational Geometry Algorithms Library (CGAL) is a C + + algorithm library, which provides efficient and reliable geometric algorithms.
CGAL provides many data structures and algorithms, such as triangulation( triangulations ). Voronoi diagram( Voronoi diagrams ), polygon( Polygons ), unit complex and polyhedron( Cell C ...

Posted by **rstrik** on *Fri, 21 Jan 2022 04:33:13 +0100*

## A clear interpretation of co-occurrence matrix

Tip: after the article is written, the directory can be generated automatically. Please refer to the help document on the right for how to generate it
preface
I started to read CS224n when preparing for the retest, which is a well-known course in natural language processing. When I first started learning word vectors, I was confused. Th ...

Posted by **DrMartinus** on *Mon, 17 Jan 2022 05:18:33 +0100*

## Special topic of mathematics in HENAU winter camp

Title Link: Portal Title password: 202201150000 Data connection: Counting Inverse element Inclusion exclusion principle Extended Euclid Learning the game of taking stones in game theory Title Content:
Here is the reference
mathematical problem
A - A^B Mod C
Idea: this topic can think of violence first, but the data is too large, s ...

Posted by **sarah** on *Mon, 17 Jan 2022 05:12:14 +0100*