[permalink] [id link]
Let the four-dimensional Cartesian coordinates be denoted ( w, x, y, z ) where ( x, y, z ) represent the Cartesian coordinates of the normal position vector r. The three-dimensional momentum vector p is associated with a four-dimensional vector on a three-dimensional unit sphere
from
Wikipedia
Some Related Sentences
Let and Cartesian
Let x, y, z be a system of Cartesian coordinates in 3-dimensional Euclidean space, and let i, j, k be the corresponding basis of unit vectors.
" Let X be the unit Cartesian square ×, and let ~ be the equivalence relation on X defined by ∀ a, b ∈ (( a, 0 ) ~ ( a, 1 ) ∧ ( 0, b ) ~ ( 1, b )).
Let M be a smooth manifold of dimension n ; for instance a surface ( in the case n = 2 ) or hypersurface in the Cartesian space R < sup > n + 1 </ sup >.
Suppose that c is a simple closed curve in a closed, orientable surface S. Let A be a tubular neighborhood of c. Then A is an annulus and so is homeomorphic to the Cartesian product of
Doolittle has mistakenly taught the bomb Cartesian doubt, the bomb determines itself to be God, states " Let there be light ," and promptly detonates.
Let and coordinates
Let ρ, θ, and φ be spherical coordinates for the source point P. Here θ denotes the angle with the vertical axis, which is contrary to the usual American mathematical notation, but agrees with standard European and physical practice.
Let us now imagine a Lorentz transformation to have been performed on the space and time coordinates, and on the derivative operators, which form a covariant vector.
Let the action be invariant under certain transformations of the space – time coordinates x < sup > μ </ sup > and the fields φ
Let A, B, C denote the vertex angles of the reference triangle, and let x: y: z be a variable point in trilinear coordinates ; then an equation for the Euler line is
Let k be an algebraically closed field and let P < sup > n </ sup > be a projective n-space over k. Let f ∈ k ..., x < sub > n </ sub > be a homogeneous polynomial of degree d. It is not well-defined to evaluate f on points in P < sup > n </ sup > in homogeneous coordinates.
Let P = ( r, θ ) be a point on a given curve defined by polar coordinates and let O denote the origin.
Let Λ be the lattice in R < sup > d </ sup > consisting of points with integer coordinates ; Λ is the character group, or Pontryagin dual, of R < sup > d </ sup >.
: Let f: R < sup > n + m </ sup > → R < sup > m </ sup > be a continuously differentiable function, and let R < sup > n + m </ sup > have coordinates ( x, y ).
Let M be a differentiable manifold, of dimension n, and v a vector field on M. Suppose that x is an isolated zero of v, and fix some local coordinates near x.
Let be a different coordinate system and let be the associated change of coordinates diffeomorphism of Euclidean space to itself.
Let and be
Let every policeman and park guard keep his eye on John and Jane Doe, lest one piece of bread be placed undetected and one bird survive.
Let us assume that it would be possible for an enemy to create an aerosol of the causative agent of epidemic typhus ( Rickettsia prowazwki ) over City A and that a large number of cases of typhus fever resulted therefrom.
Let p be the minimal polynomial for T, Af, where the Af, are distinct irreducible monic polynomials over F and the Af are positive integers.
Let V be a finite-dimensional vector space over an algebraically closed field F, e.g., the field of complex numbers.
Let N be a positive integer and let V be the space of all N times continuously differentiable functions F on the real line which satisfy the differential equation Af where Af are some fixed constants.
Let Q be a nonsingular quadric surface bearing reguli Af and Af, and let **zg be a Af curve of order K on Q.
Let us take a set of circumstances in which I happen to be interested on the legislative side and in which I think every one of us might naturally make such a statement.
Let the state of the stream leaving stage R be denoted by a vector Af and the operating variables of stage R by Af.
Let it be granted then that the theological differences in this area between Protestants and Roman Catholics appear to be irreconcilable.
Let us therefore put first things first, and make sure of preserving the human race at whatever the temporary price may be ''.
0.522 seconds.