### Algorithms-Meanings of mathematical terms and mathematical terms in discrete mathematics, and answers to discrete mathematics and Algorithms

Algorithms-Meanings of mathematical terms and mathematical terms in discrete mathematics, and answers to discrete mathematics and Algorithms Here we will introduce two important functions in discrete mathematics: The base function and the top function. Make x a real number. The base function rounds x to an integer smaller than or equal to x and closest to x, whi

### Go language: Discrete sine transform and discrete cosine transform and inverse transformation

FUNCNBSP;DST (In[]float64) []float64{out:=make ([]float64, len (in)) nr:=len (in) fori:=0 ; i Go language: Discrete sine transform and discrete cosine transform and inverse transformation

### Understanding Discrete Fourier Transformation (2. Real number form discrete Fourier transformation)

Understanding Discrete Fourier Transformation (ii) ------ real number form discrete Fourier Transformation (real DFT) in the previous section we see an example of real number form discrete Fourier transformation, through this example, we can first have a more vivid perceptual knowledge of Fourier transformation. Now let's look at how the positive and inverse tran

### Basis of discrete calculus (DEC: discrete exterior calculus)

Original article link "If people don't believe in the simplicity of mathematics, they just don't realize the complexity of life ." -- Johnvon norann Dec mainly discusses extra points in discrete situations, which are used in the computer field. We know that it is impossible to use a computer to process geometric images completely smooth (the computer is a discretization world consisting of 0 and 1 ), the concept of Dec also provides us with a bett

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### Understand the discrete Fourier transform (four). Complex form discrete Fourier transform)

Understanding of discrete Fourier transform (d)------complex form of discrete Fourier transform the discrete Fourier transform is very ingenious to use the complex method, making Fourier transform transformation more natural and concise, it is not simply to use the replacement method to use the complex Number, but to analyze the problem completely from the plural

### [C] Data Structure-Definition of discrete storage linked list, Discrete Data Structure

[C] Data Structure-Definition of discrete storage linked list, Discrete Data Structure Discrete storage [linked list] 1. Definition: N nodes are discretely allocated and connected to each other through pointers. Each node has only one parent node. Only one subsequent Node The first node does not have a precursor node, and the last node does not have a subse

### C Language Data Structure-Definition of discrete storage linked list, Discrete Data Structure

C Language Data Structure-Definition of discrete storage linked list, Discrete Data Structure1. Definition: N nodes are discretely allocated and connected to each other through pointers. Each node has only one parent node. Only one subsequent Node The first node does not have a precursor node, and the last node does not have a subsequent Node 2. Terminology: First node: the first valid node Tail node

### Discrete Mathematical Analysis for fast sorting and Discrete Mathematical Analysis for sorting

Discrete Mathematical Analysis for fast sorting and Discrete Mathematical Analysis for sorting The following is a pseudo-code. To improve efficiency, change the score to randomization. For the original algorithm code, seeAlgorithm-5. Fast sorting QUICKSORT(A,p,r)1 if p 1. Worst Case Analysis If every layer in the Quick Sort performs recursive division in the worst case, the running time is n2 ). Intuitive

### Poj 2417 discrete logging discrete logarithm

Link: http://poj.org/problem? Id = 2417 Question: Idea: Evaluate the discrete logarithm. The basic application of the baby step giant step algorithm. Reposted from: aekdycoin [Normal baby step giant step][Problem model]Solution0 [Idea]We can make an equivalentX = I * m + J (0 The purpose of such decomposition is nothing more than to convert:(A ^ I) ^ M * A ^ J = B (mod C)Then you can solve the problem by doing a little violent work:(1) for I = 0-> M,

### Flask the most storming-with Dragonfire learn flask-eighth instantiate the parameters of flask and the configuration of the app

Flask is a very flexible and short-witted web framework, so where does flexibility manifest itself?There is a magical thing called flask configuration, how to use this thing? What kind of convenience can it bring us?First show: from Import = Flask (__name__) # type:flaskapp.config["DEBUG" ] = TrueThis sentence app.config["DEBUG"] = True can be achieved by the

This section is taken from the second half of part I Chapter 2, skipping over the details of the specific interaction design for request and response. Mainly through the Flask-script plug-in Let the reader for the plug-in system has a simple understanding. Flask is focused on extensibility, there are many plugins available in the community, and you can use the Python standard library or a variety of other l

Label:The Flask-sqlalchemy library makes it easier for Flask to use SQLAlchemy, a powerful relational database framework that can either manipulate the database using ORM or use the original SQL commands. Flask-migrate is a data migration framework that needs to be manipulated through the Flask-script library. I. Confi

Tags: Introducing model ROM column REM move use register modSteps to use: 1. Introduction of Flask-sqlalchemyfrom import SQLAlchemy = SQLAlchemy ()　　 2. Register flask-SQLAlchemy db.init_app (APP) 3. Import the tables in models　　 from Import * 4. Write class inherits Db. Model 　　class Users (db. Model): 　　__tablename__'users' = Column (Integer, Primary_key=true) 5th step: Installing PIP3

### Flask the most storming-with Dragonfire learn Flask-the second piece of Flask in the Render Redirect HttpResponse

HttpResponse in 1.FlaskThe HttpResponse in flask, in our view, is actually a direct return string.REDIRECT in 2.FlaskWhenever the address "/redi" is accessed, the View function Redi will trigger redirect ("/") to jump to the URL address: "/" and will trigger the "/" Corresponding view function index ()Render (Render_template) in 3.FlaskHTML template rendering is a must in every web framework, as for the specific use of render_template, leave a suspens

### Use flask to write a light blog (36)-use flask-restful to build RESTful API Five

Blog Project Source: Https://github.com/JmilkFan/JmilkFan-s-Blog Directory Table of Contents list put request delete request test Update operation on an existing posts record delete a record List of the preceding text Use flask to write a light blog (1)-Create a projectUse flask to write a light blog (2)-hello world.Use flask to write a light blog (3)-(M) vc_ con

"Easy WebSockets with Flask and Gevent" translation learning notes -- Flask WebSocket Quick Start, websocketsflask Link: http://blog.miguelgrinberg.com/post/easy-websockets-with-flask-and-gevent I won't go over the introduction. This weekend I decided to take a short vacation from mybook writing effortand spend time on a project I wanted to work on for a long tim

### Development Environment Establishment of the Flask framework Learning Guide and flask Learning Guide

Development Environment Establishment of the Flask framework Learning Guide and flask Learning Guide Flask is a lightweight Web application framework written in Python. Its WSGI toolbox uses Werkzeug, And the template engine uses Jinja2. Many functions are implemented based on the django framework. As required by the project, record the learning process and exper

### Example of Flask getting started Tutorial: Set up a static blog and flask getting started tutorial

Example of Flask getting started Tutorial: Set up a static blog and flask getting started tutorial There are many popular static blog/website generation tools, such as Jekyll, Pelican, Middleman, and Hyde. StaticGen lists some of the most popular static website generation tools. Our internal tool is built by Python/Flask/MongoDB. Now we need to add the document f

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