## Bessel function

Bessel function What is Bessel function used for? Bessel functions are used to solve in 3D the wave equation at a given (harmonic) frequency. The …

## null sequence

null sequence A null sequence is a sequence that converges to 0. It follows straight from the definition that a sequence (an) converges to a …

## antisymmetric relation

antisymmetric relation In set theory, the relation R is said to be antisymmetric on a set A, if xRy and yRx hold when x = …

## Rodrigues’ formula

Rodrigues’ formula How do you find Rodrigues formula? Rodrigues Formula. Q,(x) = & D”(P(x)l” w(x)). Here n(x) is the weight function defining the scalar product …

## differential geometry

differential geometry Differential geometry is a mathematical discipline that studies the geometry of smooth shapes and smooth spaces, otherwise known as smooth manifolds, using the …

## helix

helix What is helix in biology? It is a type of smooth space curve with tangent lines at a constant angle to a fixed axis. …

## Lebesgue integration

Lebesgue integration What is lebesgue integration used for? Lebesgue integration is an alternative way of defining the integral in terms of measure theory that is …

## shortest path problem

shortest path problem How do you solve the shortest path problem? Algorithms. The most important algorithms for solving this problem are: Dijkstra’s algorithm solves the …

## dimension(linear algebra)

dimension(linear algebra) Dimension of a vector spaceAn important result in linear algebra is the following: Every basis for V has the same number of vectors. …

## Caesar cipher

Caesar cipher What is Caesar cipher method? A Caesar cipher is a simple method of encoding messages. Caesar ciphers use a substitution method where letters …

## homogeneous polynomial

homogeneous polynomial How do you know if a degree is homogeneous? h(x/y) is a homogeneous function of degree n. For solving a homogeneous differential equation …