# Post Network Blog

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## How The Word Artificial Intelligence Was Coined?

2024-05-06 08:30
Definition of Artificial Intelligence,  Niti Aayog, India “AI refers to the ability of machines to perform cognitive tasks like thinking, perceiving, learning, problem solving and… Read More

## Understand Binomial Distribution

2024-05-03 02:41
Before understanding Binomial distribution you have to understand Bernoulli trial. What is Bernoulli trial? A Bernoulli trial is a random experiment in which  there are two possible out… Read More

## Poisson Distribution In Statistics And Mathematics

2024-04-25 09:19
Poisson Distribution- The Poisson distribution is defined by a single parameter, usually denoted by λ (lambda), which represents the average rate of occurrence of the events. The prob… Read More

## Variance And Standard Deviation

2024-02-26 19:12
Variance and Standard Deviation are both essential concepts in statistics and finance. Let’s explore the differences between them: Variance: Definition: Variance is a numerical value t… Read More

## Complex Numbers In Mathematics

2024-02-20 09:35
Suppose you want to solve an equation x2+1=0  then you will get x=√-1    which does not belongs to real number system. Leonhard Euler proposed to write √-1… Read More

## OpenAI Launched Sora Which Can Create Video From Text

2024-02-17 08:58
OpenAI Launched Sora Which Can Create Video from Text Credit: https://openai.com/sora Suppose you are making a video and there are scenes you can not shoot, do not worry. Sora  an A. I… Read More

## Binomial Distribution In Probability And Statistics

2023-11-17 18:33
Bernoulli Trials Many experiments have only two outcomes, for example if you are tossing a coin you will get head or tail. If you rolling a dice you will have number on the face which may be… Read More

## Random Variable And Probability Mass Function

2023-11-16 14:32
Random variable   is a very  important concept in probability, statistics, data science and machine learning, one must  learn concept of random variable and related conce… Read More

## Interface Servo Motor With Arduino

2023-10-26 14:54
Servo Motor Servo motors is a  special type of motor which can not move 360 degrees, however, it can move 180 degrees. Furthermore, it can be used for making smart dustbin project,&nbsp&hell…Read More

## Glow LED Using Arduino

2023-10-21 09:35
Arduino microcontroller is a very popular open source project which can be used to make prototype for electronics, robotics and IoT projects. In this post, I will explain how to on and off L… Read More

## Tabular (Roster) Form And Set-Builder Form

2023-09-01 14:29
Example-1- Write the solution set of the equation x2+x-2=0. Solution- x2-x+2x-2=0 x(x-1)+ 2(x-1)=0 (x-1)(x+2)=0 x=1 , x= – 2 S={1, -2} Example-2- Write the set {x: x is a positive inte… Read More

## Sets In Mathematics

2023-08-25 02:46
In real life, we often come across collection of objects viz. #Cricket Team #Pack of Cards #Members of a Club In mathematics, we also come across collections, examples are. #Odd natural numb… Read More

## Python For Beginners

2023-08-11 07:08
The post Python for Beginners appeared first on PostNetwork Academy Read More

## Factorial Of A Natural Number In Python

2023-08-10 05:02
In this post you will see that how to make a program in Python which calculates factorial of a natural number, and how it works. You will see that how program is made line by line. First you… Read More

## Sum Of Natural Numbers In Python

2023-08-02 17:09
Write a program which finds sum of natural numbers in Python. To understand sum of natural numbers in Python, first understand natural numbers. Set of natural numbers are denoted by N and it… Read More

## Program To Reverse A Number In Python

2023-07-29 07:40
In this post,  I will explain how to make a Python program which will revere a number i.e. when input number is  325 the output would be 525. If you see the above code first line&n&hell…Read More

## Worldâ€™s Top 30 Universities Of 2023-2024 By QS Ranking Published On 27-June-2023

2023-07-12 16:19
World’s top universities of 2023-2024 was published by QS ranking on 27-June-2023. Further, I have added two more additional columns established year and noted people of the university… Read More

## Glowing An LED Using Arduino Microcontroller

2023-07-11 03:30
If you are trying to get an understanding of Microcontroller Arduino. The first program you will start from glowing an LED. Thereafter, you will use Ultrasonic sensor, DHT sensor, Touch sens… Read More

## Addition, Multiplication, Subtraction And Division In Python

2023-06-21 02:53
If you are learning Python, and  you are a beginner,  after making Hello world program  in Python. You should perform basic computations like  addition, multiplication, s… Read More

## Decision Tree Learning

2023-05-16 13:31
Understand Decision Tree Learning Decision tree learning is a supervised learning algorithm, which can be used for classification as well […] The post Decision Tree Learning appeared… Read More

## Understand Classification Problem In Machine Learning

2023-04-04 09:17
Basically, there are four types of machine learning algorithms. 1- Supervised Learning Algorithms- In supervised  learning, values of  features and […] The post Understand… Read More

## Program To Find Out Circumference And Area Of A Circle In Python

2023-04-03 02:55
Explanation of code line by line. The post Program to Find Out Circumference and Area of a Circle in Python appeared first on PostNetwork Academy. See Also:Python Program to Check Whether… Read More

## Calculate Distance Using Ultrasonic Sensor And Arduino Uno Microcontroller

2023-03-27 00:58
Ultrasonic Sensor- Ultrasonic sensor is an electronic device which can calculate distance. It transmits ultrasonic waves and converts ultrasonic waves […] The post Calculate Distance… Read More

## Glow Two-LED Alternatively Using Arduino

2023-03-24 16:54
Arduino Code- Description- See video:-     The post Glow Two-LED Alternatively Using Arduino appeared first on PostNetwork Academy. See Also:Display Three Names at Delay of 10 Se… Read More

## ATL

2023-03-18 06:35
Arduino Projects  The post ATL appeared first on PostNetwork Academy Read More

## Glow An LED Using Arduino Code Explanation Line By Line

2023-03-18 04:28
Glow an LED using Arduino Line-1-setup() function is used to configure Pins for INPUT, OUTPUT, signal rate etc. Line-2-Block of […] The post Glow an LED using Arduino Code Explanation… Read More

2023-03-05 03:32
A  function is called quadratic, if its domain and range is set of real numbers i.e f: R–>R  and it […] The post Quadratic Function in Mathematics appeared first on… Read More

## Identity Function In Mathematics

2023-03-03 13:40
A function is called identity function if its domain and range  is set of real numbers i.e f:R–>R  and is […] The post Identity Function in Mathematics appeared fir… Read More

## Python Program To Check Whether A Number Is Even Or Odd

2023-02-24 17:32
In this post, I am going make a Python’s program which will check whether a number is even or odd. But before making program, first you need to understand  modulus operator %. The… Read More

## Multiplication Of Two Numbers In Python

2023-02-19 09:03
a is refering to 5 which means wherever a is used its value would be 5 b is refering to […] The post Multiplication of Two Numbers in Python appeared first on PostNetwork Academy. S… Read More

## Addition Of Two Numbers In Python

2023-02-19 08:50
a is refering to 5 which means wherever a is used its value would be 5 b is refering to […] The post Addition of Two Numbers in Python appeared first on PostNetwork Academy Read More

2023-02-05 06:20

## Python Manim Code With Video Output

2023-02-05 04:49
Video Output The post Python Manim Code with Video Output appeared first on PostNetwork Academy Read More

## Add Two Numbers In Python

2023-02-04 03:52
Adding two numbers in Python is very easy to understand, if you want to learn Python it is your starting […] The post Add Two Numbers in Python appeared first on PostNetwork Academy… Read More

## Ungrouped And Grouped Data In Statistics

2023-01-10 16:38
Ungrouped data- Ungrouped data refers list of individual observations which are not categorized or summarized. Basically, ungrouped data are  collected  […] The post Ungroup… Read More

## Population, Parameters Sample And Statistic

2022-12-29 20:10
Population- Population refers to group of individuals under study, you can understand it by an example. Suppose you have a […] The post Population, Parameters Sample and Statistic app… Read More

## Glowing LED Using MicroPython On ESP8266 Board

2022-12-18 09:59
Glowing LED Using MicroPython on ESP8266 Board This is a simple project in which I will glow an LED on […] The post Glowing LED Using MicroPython on ESP8266 Board appeared first on Po… Read More

## Pandas Series Functions Min(), Max(), Mean(), Median() And Mode()

2022-12-11 09:22
Panda’s Series- In the last post, I explained how to create a panda’s series. Further,  a pandas series has a […] The post Pandas Series Functions min(), max(), mean(… Read More

## Pandas Series A Pythonâ€™s Library For Data Handling

2022-12-01 16:26
Pandas Series Series is like one dimensional array or a column in a table and can be hold any type […] The post Pandas Series a Python’s Library for Data Handling appeared first… Read More

## K-Means Clustering Algorithm In Machine Learning

2022-11-25 17:46
K-Means clustering is an unsupervised   machine learning algorithm which partitions n instances into k clusters by similarity. As K-Means clustering […] The post K-Means Clu… Read More

## K-Nearest Neighbors Algorithm In Machine Learning

2022-11-20 09:37
K-Nearest Neighbors algorithm (KNN) K-Nearest Neighbors algorithm (KNN) is a very important supervised machine learning algorithm and one should start […] The post K-Nearest Neighbors… Read More

## Covariance And Correlation

2022-11-11 15:53
Covariance and Correlation- Covariance and correlation both measure linear relationship between two variables.  However, they differ at some points. In […] The post Covariance an… Read More

## Group In Algebra

2022-10-17 19:50
Group in Algebra Let G be a non-empty set and * (multiplication) be a binary operation defined on G. Then […] The post Group in Algebra appeared first on Hub and Network of Posts… Read More

## Variance Of A Continuous Random Variable

2022-10-10 17:57
If X is a random variable having mean μ , then variance of random variable X is denoted as Var(X) […] The post Variance of a Continuous Random Variable appeared first on Hub and N… Read More

## Expectation Of A Continuous Random Variable: Uniformly Distributed Random Variable

2022-09-29 14:14
Expectation of a Continuous Random Variable Expectation of a continuous random variable is defined as Suppose a continuous random variable […] The post Expectation of a Continuous Ran… Read More

## Definition Of Probability

2022-09-29 13:13
Mathematical or Classical Probability- If a random experiment is conducted which results in n exhaustive, mutually exclusive, and equally likely […] The post Definition of Probability… Read More

## Joint And Marginal Probability Mass Function

2022-09-22 19:42
If (X,Y) is a two-dimensional discrete random variable, then joint probability mass function of  X and Y denoted by pxy  […] The post Joint and Marginal Probability Mass Fu… Read More

## Terminologies Related To Probability Theory

2022-08-25 00:34
1-Random Experiment- If an experiment is conducted then the outcome will not be unique but it may  be   from possible […] The post Terminologies Related to Probability… Read More

## Entropy: A Measure Of Uncertainty

2022-08-22 18:57
Entropy of a random  variable measures uncertainty  inherent to possible outcomes of the variable. H(X)= -Σi=1n    pilog2pi Where pi ... The post Entropy: A Me… Read More

## Expectation Of A Discrete Random Variable

2022-08-21 10:12
A random variable X is a function from a sample S to real numbers R, i.e X: S——>R. Suppose you... The post Expectation of a Discrete Random Variable appeared first on Hub and… Read More

## Random Variable And Probability Density Function

2022-08-18 06:16
A random variable X is a function from a sample S to real numbers R, i.e X: S——>R. Suppose you... The post Random Variable and Probability Density Function appeared first on H… Read More

## Taylorâ€™s And Maclaurinâ€™s Series

2022-08-16 18:30
Taylor’s theorem states that we can get expansion of a function f(x) at x=a This can be written as When... The post Taylor’s and Maclaurin’s Series appeared first on Hub an… Read More

## Servo Motor With Arduino

2022-08-03 08:15
In this post, I am going to explain how to attach a Servo motor with Arduino. I will explain about... The post Servo Motor with Arduino appeared first on Hub and Network of Posts. See Als… Read More

## Train A Simple Deep Learning Network Using Keras And Iris DataSet

2022-08-02 18:06
Keras Deep learning framwork is  very popular among researchers and developers which is built at top of Tensorflow. Furthermore, Keras... The post Train a Simple Deep Learning Network u… Read More

## Display Three Names At Delay Of 10 Seconds Using Arduino And LCD

2022-08-02 08:43
In this post, we are going make a program which will show three names at delay of 10 seconds using... The post Display Three Names at Delay of 10 Seconds using Arduino and LCD appeared first… Read More

## Linear Regression Using Gradient Decent

2022-07-05 16:50
Linear regression Linear regression  is a supervised learning algorithm and tries to learn a  linear function from a given data... The post Linear Regression using Gradient Decent… Read More

2022-05-06 15:14

## Python Quiz Test

2022-05-06 08:39
The post Python Quiz test appeared first on Hub and Network of Posts. See Also:Graphical User Interface (GUI) Programs in Python using tkinter Package Develop a Simple WordPress Plugin… Read More

## Abstract Class And Method In Python

2022-04-08 13:52
In Python you can create an abstract class using library, but by default   there are not any mechanisms to provide […] The post Abstract Class and Method in Python appeared… Read More

## Create A Table In SQL And Select Data From Table

2022-04-01 15:54
Structured Query Language (SQL) is  de facto language for storing and retrieving  structured data  from a table. In this post, […] The post Create a Table in SQL and Se… Read More

## Mathematical Operations In Python Using Object-Oriented Programming In Python

2022-03-31 18:40
Python is an object-oriented language and a class can have properties and methods. In this post, I will create a […] The post Mathematical Operations in Python using Object-Oriented… Read More

## Addition In R Programming Language

2022-03-30 12:25
R programming language is very popular for data science, machine learning and statistical computing. Furthermore, the syntax of R is […] The post Addition in R programming language ap… Read More

## Update Command In Structured Query Language (SQL)

2022-02-18 08:17
Sometimes you may need to update   table in SQL   which you have created. For this  you need to use UPDATE […] The post Update Command in Structured Query Lan… Read More

## Array In Java

2022-01-28 15:04
An array in Java is a collection of values having contiguous memory locations and share a common name. Suppose you […] The post Array in Java appeared first on Hub and Network of Pos… Read More

## Generators In Python

2022-01-27 09:30
Generators in Python are like ordinary function the difference that it contains yield statement instead of return.  Furthermore, when a […] The post Generators in Python appeared… Read More

## Sympy Library In Python

2022-01-25 05:22
Suppose that in Python you want to   expand  an expression (x+y)2  to  x2 + y2 + 2 xy, this can […] The post sympy Library in Python appeared first on Hub an… Read More

## COUNTIF And SUMIF Functions In MS Excel

2022-01-08 12:26
COUNTIF() and SUMIF are very important  functions  in excel which are used to automate manual tasks. Furthermore, these  functions are […] The post COUNTIF and SUMIF Fu… Read More

## K-Nearest Neighbors Algorithm In Python

2021-12-25 13:27
K-nearest neighbors algorithm is a machine learning algorithm which is used for classification and regression, and it can be applied […] The post K-Nearest Neighbors Algorithm in Pyth… Read More

## Write A Program Which Opens A CSV File In Python And Reads Data From It

2021-11-20 06:44
1-import csv 2-fcsv=open(‘mycsv.csv’, ‘r’) 3-table=csv.reader(fcsv) 4-for row in table: 5-          print(row) Program Description In the abo… Read More

## Writing And Reading Excel Data From Python

2021-04-08 13:10
Python is a very popular language for data analysis  and data manipulation. Furthermore, Python has a lot of libraries to manipulate Excel data. In this post, I will explain how to writ… Read More

## Passing A List In A Function In Python

2021-03-31 14:49
Not only variables but a list can also be passed and manipulated in a Python’s function. If you want to read about function read the post     User Defined Functions in P… Read More

2021-03-26 17:17
Microsoft Excel is a very popular spreadsheet program which is easy to use and it has a lot formulas which are related to finance, statistics, logical and arithmetic etc.. Furthermore, this… Read More

## Default Arguments In Python Functions

2021-03-18 11:31
If value of a parameter is already known then you can assign default values to a Python function’s parameter. Further, the default values can be specified in the function header. For e… Read More

## Time And Date Datatypes And Functions In SQL

2021-01-10 12:35
Time and date datatypes and functions in SQL  play very important role in DBMS (Database Management Systems). Such as, transaction management, or admission time of a student, time of pr… Read More

## Array In PHP

2021-01-04 14:45
Array in PHP- In PHP, there are three types of arrays , and array()  function is used to create an array in PHP. 1- Indexed or Numeric Array- In a numeric or an indexed array... The pos… Read More

## ORDER BY Keyword In SQL

2021-01-02 13:28
ORDER BY Keyword is used to sort record in ascending or decending order. If you want to learn how to create a table, insert data into it and select record from table see my previous... The p… Read More

## BETWEEN, NOT BETWEEN, IN And NOT IN Operators In SQL

2021-01-01 09:58
In the previous post    Create Table Insert Data Into Table and Select Data in SQL, you have learnt how to create a table, insert data into it and select rows… Read More

## Create Table Insert Data Into Table And Select Data In SQL

2020-12-20 11:50
Structured Query Language (SQL) is standard language to manipulate databases. MySQL, MariaDB, MS-Access and all popular Database Management System software use SQL. In this post, I will demo… Read More

## Dictionary Methods In Python

2020-12-09 19:25
Dictionary in Python is a very important data-structure which can have elements in the form of of key value pairs key:value. Moreover, dictionary also provides different methods to manipulat… Read More

## Different Ways To Create A Dictionary In Python

2020-12-04 16:15
Dictionary in Python is a very important data-structure which can have unordered list of key value pairs. See a dictionary d={2:4, 3:9, 4:16, ‘India’:’Delhi’} In dict… Read More

## Slicing Of A List In Python

2020-11-03 18:00
A list in Python is collection of values of any type such as integer, float, string or a complex number in a square bracket separated by comma. For example If you can create a list... The po… Read More

## Set In Mathematics

2020-08-15 16:53
Set is a fundamental concept in mathematics and each object of interest in mathematics is set of some type. Set theory was developed by German mathematician George Cantor, who defined set as… Read More

## Draw Point, Segment And Circle In GeoGebra

2020-08-14 18:19
Geogebra is a very powerful tool to visualize mathematical concepts. Such as, points, lines functions, circle, and three dimensional objects cylinder, sphere, cube and many more objects. Fur… Read More

## Graphical User Interface (GUI) Programs In Python Using Tkinter Package

2020-07-19 17:54
Graphical User Interface (GUI)-   Graphical User Interface (GUI) allows a user to interact with programs using visual components. Such as, entry box, buttons, canvas, menus etc.. On the… Read More

2020-07-09 13:30

## List Comprehension In Python

2020-07-03 06:07
List comprehension in Python refers to the shortcut and concise way to create a  list using for loop  or creating a Python list in Pythonic way. If you want to create a list l1 in… Read More

## Operators In Python

2020-06-27 18:45
Operators in python play very important role to compute mathematical, relational or logical expression. Operators in Python are tokens  and when they apply on variables they prov… Read More

## Quizzes On Data Visualization In Python

2020-06-11 03:28
The post Quizzes on Data Visualization in Python appeared first on Hub and Network of Posts Read More

## Quizzes On Tokens In Python

2020-05-24 05:27
The post Quizzes on Tokens in Python appeared first on Hub and Network of Posts Read More

2020-05-22 07:52

## Brainstorming Webinar By LXL

2020-05-07 14:39
During lockdown a number of webinars are conducted by several experts. Some are giving session on Yoga some are on parental care of kids during lockdown many more. I have also attended a web… Read More

## Corona (Covid19) Cases World Wide

2020-04-08 17:22
The post Corona (Covid19) Cases World Wide appeared first on Hub and Network of Posts Read More

## Python Fundamentals

2020-03-24 09:14
The post Python Fundamentals appeared first on Hub and Network of Posts Read More

## Sunbeam Classes

2020-03-18 08:52
The post Sunbeam Classes appeared first on Hub and Network of Posts Read More

2020-03-18 08:19

## File Handling In Python

2020-03-13 13:37
File Handling in Python What happens when you run a program and input some data to be processed. You get result and if you again run your program your previous data are lost. Since Random… Read More

## Lambda Function In Python

2020-03-13 06:58
In Python, lambda keyword is used to create anonymous function in Python. User defined functions in Python are defined using def keyword. However, anonymous functions in Python are defined u… Read More

## Chi Square Distribution

2020-02-18 09:41
Chi Square Distribution Chi square variate is a square of a normal variate having 1 degree of freedom and  chi square distribution is a special case of Gamma distribution. If X is follo… Read More

## Gamma Function And Gamma Probability Density Function

2020-02-12 20:23
Gamma function and Gamma Probability Distribution Gamma function and Gamma probability density both are very important concepts in mathematics and statistics. Furthermore, understanding Gamm… Read More

## Gamma Function Gamma Probability Distribution Function

2020-02-12 20:23
Gamma function and Gamma Probability Distribution Gamma function and Gamma probability distribution both are very important concepts in mathematics and statisics. Furthermore, understanding… Read More

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