Mathematics

Mathematics December 8, 2019

Test for Convergence of Series

To understand test for convergence of a series you have to understand sequence and series and related concepts. Sequence A sequence S is a function whose domain is natural numbers and range is real numbers….

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Linear Algebra, Mathematics November 23, 2019

Matrix Representation of a Linear Transformation

Matrix Representation of a Linear Transformation Suppose U and V are two vector spaces over the same field F of dimensions m and n. Let A = {α1, α2, α 3,……,α3} and B={β1, β2, β3,…….,βn}…

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Applied Mathematics, Linear Algebra, Linear Algebra, Mathematics November 17, 2019

Caley-Hamilton Theorem

To understand Caley-Hamilton theorem you have to know about characteristic polynomial. Characteristic Polynomial If A is a square matrix of of size n * n, and I is identity matrix of the same size as…

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Applied Mathematics, Computer Science, Data Science, Machine Learning, Mathematics, Probability Distributions, Programming, Python November 9, 2019

Logistic Regression

Hyperbolic Functions These functions are very important in regression, classification and to build neural networks. Moreover, it is important to remember expression hyperbolic functions in the form of exponential functions. I have written the expressions…

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Applied Mathematics, Data Science, Machine Learning, Mathematics, Statistics October 30, 2019

Linear Regression in Statistics

Linear regression Linear regression refers to find out degree of relationship between two variables in the form of a linear function y=mx+c using statistical techniques. Where m is gradient and c is intercept on y…

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Applied Mathematics, Data Science, Machine Learning, Probability Distributions, Python, Statistics October 24, 2019

Poisson Distribution as a Limiting Case of Binomial Distribution

For large value of n binomial distribution asymptotically tends to Poisson distribution. Probability distribution function of binomial random variable is Probability distribution of Poisson random variable is Poisson Distribution as a Limiting Case of Binomial…

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Mean of Exponentially Distributed Random Variable X

Applied Mathematics, Data Science, Machine Learning, Statistics October 23, 2019

Exponential Probability Distribution

A random variable X is said to follow exponential distribution if it follows the following probability mass function. Exponential probability distribution is a continuous distribution. Probability Distribution Function of Exponentially Distributed Variable X It…

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Applied Mathematics, Probability Distributions, Statistics October 22, 2019

Poisson Distribution in Statistics

A random variable X is said to follow Poisson distribution, if it follows the following probability distribution function. Poisson distribution is a discrete probability distribution. It models the following types of problems Find out number …

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Expectation of X in Binomial Distribution

Mathematics, Probability Distributions, Statistics October 20, 2019

Binomial Distribution in Statistics

Let X be a random variable, it is said to follow binomial distribution if it follows the following probability mass function. And it can have only non-negative values. The binomial distribution is a discrete probability…

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Data Science, Statistics October 17, 2019

Uniform Distribution

Uniform Distribution or Rectangular Distribution Uniform distribution or rectangular distribution is a continuous probability distribution. Definition- A random variable X is said to follow uniform or rectangular distribution it follows the following probability distribution function….

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