# Mathematics

Create a waterfall chart Select your data. Click Insert > Insert Waterfall or Stock chart > Waterfall. You can also ...

## power(of a test)

Power is the probability that a test of significance will pick up on an effect that is present. Power is the probability that ...

## pre-image

Noun. preimage (plural preimages) (mathematics) For a given function, the set of all elements of the domain that are mapped ...

## step function

In mathematics, the step function is a function that has a constant value along given intervals, with the constant value ...

## loop

1a : a curving or doubling of a line so as to form a closed or partly open curve within itself through which another line can ...

## isogon

(?ais????n) noun. a polygon having all angles equal.

In mathematics, a quadratic form is a polynomial with terms all of degree two (“form” is another name for a ...

## conjugate(of an algebraic number)

In mathematics, in particular field theory, the conjugate elements or algebraic conjugates of an algebraic element ?, over a ...

## Laplace expansion

To begin, multiply the first column of A by 1000, the second column by 100, and the third column by 10. The determinant of the ...

## jolt

Jolt is operations execution software available on smartphones and tablets that helps restaurants, retail, hospitality, and ...

## Gaussian curvature

The Gaussian curvature of ? is K = ?1?2, and its mean curvature is H = 1 2 (?1 + ?2). To compute K and H, we use the first and ...

## graphical solution

We can solve such a system of equations graphically. That is, we draw the graph of the 2 lines and see where the lines ...

## Numberphile

Numberphile is an educational YouTube channel featuring videos that explore topics from a variety of fields of ...

## projective space

Projective geometry can be thought of as the collection of all lines through the origin in three-dimensional space. That is, ...

## Legendre’s differential equation

The different types of differential equations are: Ordinary Differential Equations. Homogeneous Differential Equations. ...

## angle(between planes)

Angle Between Two Planes in Vector Form For planes, r.n1 = d1 and r.n2 = d2, we will use the formula cos ? = |(n1 . ...

## Pauli, Wolfgang Ernst (190058)

In 1925, Wolfgang Pauli introduced two new numbers and formulated the Pauli principle, which proposed that no two electrons in ...

## separation of variables

Definition of separation of variables : a regrouping of the terms of a differential equation so that each differential has as ...

## tridiagonal matrix

A tridiagonal matrix is a matrix that is both upper and lower Hessenberg matrix. In particular, a tridiagonal matrix is a ...

## group action

A group with free action is said to act freely. The basic example of a free group action is the action of a group on itself by ...

## principal axes(in mechanics)

The principal axis theorem states that the principal axes are perpendicular, and gives a constructive procedure for finding ...

## form

The definition of form is the shape of a person, animal or thing or a piece of paperwork that needs to be filled out. An ...

## complexity(of an algorithm)

Complexity of an algorithm is a measure of the amount of time and/or space required by an algorithm for an input of a given ...

## hardware

Computer hardware includes the physical parts of a computer, such as the case, central processing unit (CPU), random access ...

## Euler characteristic

The Euler characteristic is equal to the number of vertices minus the number of edges plus the number of triangles in a ...

## first principles

A first principle is a basic assumption that cannot be deduced any further. Over two thousand years ago, Aristotle defined a ...

## homogeneous polynomial

h(x/y) is a homogeneous function of degree n. For solving a homogeneous differential equation of the form dy/dx = f(x, y) = ...

## Caesar cipher

A Caesar cipher is a simple method of encoding messages. Caesar ciphers use a substitution method where letters in the ...