Math-Linux.com

Knowledge base dedicated to Linux and applied mathematics.

Most recent articles

Derivative of sin x

8 August, by Nadir Soualem

Derivative f’ of the function f(x)=sinx is: f’(x) = cos x for any value of x. Read More »

Derivative of cos x

5 August, by Nadir Soualem

Derivative f’ of the function f(x)=cos x is: f’(x) = - sin x for any value of x. Read More »

Derivative of exp x, e^x

2 August, by Nadir Soualem

Derivative f’ of the function f(x)=exp x is: f’(x) = exp x for any value of x. Read More »

Proof of limit of lim (1+x)^(1/x)=e as x approaches 0

2 August, by Nadir Soualem

How to prove that limit of lim (1+x)^(1/x)=e as x approaches 0 ? Read More »

Proof of limit of tan x / x = 1 as x approaches 0

1 August, by Nadir Soualem

How to prove that limit of tan x / x = 1 as x approaches 0 ? Read More »

Proof of limit of sin x / x = 1 as x approaches 0

26 July, by Nadir Soualem

How to prove that limit of sin x / x = 1 as x approaches 0 ? Read More »

Horizontal and vertical curly Latex braces: \left\{,\right\},\underbrace{} and \overbrace{}

17 July, by Nadir Soualem

How to define horizontal and vertical curly braces ? Answer is here !!! Read More »

Latex horizontal space: qquad,hspace, thinspace,enspace

11 July, by Nadir Soualem

Managing spaces with Latex is not simple, in this tutorial, we will see how to manage horizontal spaces. How to write horizontal space: (...) Read More »

Taylor series expansion of a function about 0

21 June, by Nadir Soualem

Below are the main Taylor series expansion around 0. These specific taylor developments are called Maclaurin development Read More »

Gaussian elimination

20 June, by Nadir Soualem

Gaussian elimination is an algorithm in linear algebra for determining the solutions of a system of linear equations. First we do a forward (...) Read More »

Chebyshev polynomials

20 June, by Nadir Soualem

Chebyshev polynomials are a useful and important tool in the field of interpolation. Indeed, in order to minimize the error in Lagrange (...) Read More »

How to write matrices in Latex ? matrix, pmatrix, bmatrix, vmatrix, Vmatrix

20 June, by Nadir Soualem

Here are few examples to write quickly matrices. Read More »

Newton’s interpolation polynomial

19 June, by Nadir Soualem

In this section, we shall study the polynomial interpolation in the form of Newton. Given a sequence of (n+1) data points and a function f, the (...) Read More »

Lagrange interpolation polynomial

17 June, by Nadir Soualem

In this section, we shall study the interpolation polynomial in the Lagrange form. Given a set of (n+1) data points and a function f, the aim is (...) Read More »

Conjugate gradient method

14 June, by Nadir Soualem

Conjugate Gradient Method allows you to solve linear systems whose matrix is symmetric and positive definite. Read More »

Latex symbol not exists

14 June, by Nadir Soualem

Latex symbol not exists: \nexists Read More »

Cholesky decomposition

14 June, by Nadir Soualem

We will study a direct method for solving linear systems: the Cholelsky decomposition. Given a symmetric positive definite matrix A, the aim is (...) Read More »

Latex symbol exists

14 June, by Nadir Soualem

Latex symbol exists: \exists Read More »

Latex symbol for all x

14 June, by Nadir Soualem

Latex symbol for all x : \forall Read More »

Latex plus or minus symbol

13 June, by Nadir Soualem

How to write Latex plus or minus symbol: \pm How to write Latex minus or plus symbol: \mp Read More »

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