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Performance measure of a digital radio
The error vector magnitude or EVM (sometimes also called relative constellation error or RCE) is a measure used to quantify the performance of a digital
Error_vector_magnitude
in-channel measurements, such as error vector magnitude, code domain power, and spectral flatness, on known signals. Vector signal analyzers are useful in
Vector_signal_analyzer
points is its magnitude. The modulation error ratio is equal to the ratio of the root mean square (RMS) power (in Watts) of the reference vector to the power
Modulation_error_ratio
Ballistics measure of a weapon system's precision
{\displaystyle \sigma } . The distance error is the magnitude of that vector; it is a property of 2D Gaussian vectors that the magnitude follows the Rayleigh distribution
Circular_error_probable
Mathematical operation on vectors in 3D space
product). The magnitude of the cross product equals the area of a parallelogram with the vectors for sides; in particular, the magnitude of the product
Cross_product
Mathematical concept
inherent error in approximation can be quantified and expressed in two principal ways: as an absolute error, which denotes the direct numerical magnitude of
Approximation_error
Signal representation
see timing jitter in one dimension of modulation. Error vector magnitude Eye diagram Modulation error ratio Quadrature amplitude modulation ANDREW S. TANENBAUM
Constellation_diagram
Vector describing a wave; often its propagation direction
physics, a wave vector (or wavevector) is a vector used in describing a wave, with a typical unit being cycle per metre. It has a magnitude and direction
Wave_vector
Computational approach
because such errors leave the result "close" to the correct vector. Reasoning using vectors is not compromised. HDC is at least 10x more error tolerant than
Hyperdimensional_computing
Topics referred to by the same term
Electronic voting machine EnviroMission, an Australian energy company Error vector magnitude, measure of radio transmission/reception Estonian Open Air Museum
EVM
Statistical measure
value rather than an estimate). The RMSD serves to aggregate the magnitudes of the errors in predictions for various data points into a single measure of
Root_mean_square_deviation
Pyramid vector quantization (PVQ) is a method used in audio and video codecs to quantize and transmit unit vectors, i.e. vectors whose magnitudes are known
Pyramid_vector_quantization
Measure of directional electromagnetic energy flux
widely used. The Poynting vector is usually denoted by S or N. In simple terms, the Poynting vector S, at a point, gives the magnitude and direction of surface
Poynting_vector
Concepts from linear algebra
a negative or complex number). Geometrically, vectors are multi-dimensional quantities with magnitude and direction, often pictured as arrows. A linear
Eigenvalues_and_eigenvectors
Instrument that measures the network parameters of electrical networks
functionality of their products to also include measurement of noise figure. The vector error correction permits higher accuracy than is possible with other forms
Network_analyzer_(electrical)
rate of 1 Gbit/s was achieved over a distance of 2.5 m, with an error vector magnitude (EVM) of 25% Phased array Metamaterial Dielectric Lens Millimeter
Transmitarray_antenna
Concepts from statistical hypothesis testing
This can occur often with low powered testing setups. Type M errors are errors of magnitude. This is addressed through an "exaggeration factor", an assessment
Type_I_and_type_II_errors
Measure of the error of an estimator
In statistics, the mean squared error (MSE) or mean squared deviation (MSD) of an estimator (of a procedure for estimating an unobserved quantity) measures
Mean_squared_error
Regression models accounting for possible errors in independent variables
iron law of econometrics: "The magnitude of the estimate is usually smaller than expected." Usually, measurement error models are described using the
Errors-in-variables_model
Mathematical measure of how much a curve or surface deviates from flatness
curvature at a point on a twice differentiable curve is the magnitude of its curvature vector at that point and is also the curvature of its osculating
Curvature
using n-vector is simpler due to the possibility of using vector algebra. The arccos expression is achieved from the dot product, while the magnitude of the
N-vector
Behaviour of electromagnetic fields
neighbourhood around the point to which they are applied, otherwise the vector fields and H are not differentiable. In other words, the medium must be
Interface conditions for electromagnetic fields
Interface_conditions_for_electromagnetic_fields
Mathematical concept applicable to physics
mathematics and vector calculus which has many applications in physics. For transport phenomena, flux is a vector quantity, describing the magnitude and direction
Flux
Influence that can change motion of an object
mathematically precise. Because the magnitude and direction of a force are both important, force is a vector quantity (force vector). The SI unit of force is the
Force
Property of space that quantifies the magnetic influence at a given location
product. In other words, [T]he command, "Measure the direction and magnitude of the vector B at such and such a place," calls for the following operations:
Magnetic_field
Physical field surrounding an electric charge
and force is a vector (i.e. having both magnitude and direction), so it follows that an electric field may be described by a vector field. The electric
Electric_field
Mathematical tool
unified manner. The impulse vector makes it easy to obtain impulse time and magnitude of the input shaper graphically. A vector concept for an input shaper
Impulse_vector
Speed at which relativistic effects become significant
celerity which is proper velocity. Speed is a scalar, being the magnitude of the velocity vector which in relativity is the four-velocity and in three-dimension
Relativistic_speed
Line integral of the electric field
electric field vector at the location of the charge; if the charge is negative, the force will be in the opposite direction. The magnitude of force is given
Electric_potential
Force directed to the center of rotation
diagram of the velocity vectors at two instances. In the case of uniform circular motion the velocities have constant magnitude. Because each one is perpendicular
Centripetal_force
Probability distribution
(/ˈreɪli/). A Rayleigh distribution is observed when the overall magnitude of a vector in the plane is related to its directional components. One example
Rayleigh_distribution
Adaptive filter algorithm for digital signal processing
older error samples. The cost function is minimized by taking the partial derivatives for all entries k {\displaystyle k} of the coefficient vector w n
Recursive least squares filter
Recursive_least_squares_filter
One-dimensional physical quantity
magnitude of physical quantities, such as speed is to velocity. Scalars do not represent a direction. Scalars are unaffected by changes to a vector space
Scalar_(physics)
Method to control electric motors
Field-oriented control (FOC), also called vector control, is a variable-frequency drive (VFD) control method in which the stator currents of a three-phase
Field-oriented_control
Technique for training recurrent neural networks
k instances of f do until stopping criterion is met: x := the zero-magnitude vector // x is the current context for t from 0 to n − k do // t is time.
Backpropagation_through_time
Process of mapping a continuous set to a countable set
input value and its quantized value (such as round-off error) is referred to as quantization error, noise or distortion. A device or algorithmic function
Quantization (signal processing)
Quantization_(signal_processing)
Method of data analysis
eigenvalue error = |λ ⋅ r − s| r = s / norm(s) exit if error < tolerance return λ, r This power iteration algorithm simply calculates the vector XT(X r)
Principal_component_analysis
Mathematical identities
{\displaystyle \mathbf {A} } multiplied by its magnitude. Specifically, for the outer product of two vectors, ∇ ⋅ ( A B T ) = B ( ∇ ⋅ A ) + ( A ⋅ ∇ ) B
Vector_calculus_identities
Measure of the joint variability
"observation error covariance matrix" is constructed to represent the magnitude of combined observational errors (on the diagonal) and the correlated errors between
Covariance
Representation of mechanical stress at every point within a deformed 3D object
stresses. The magnitude of the normal stress component σn of any stress vector T(n) acting on an arbitrary plane with normal unit vector n at a given point
Cauchy_stress_tensor
Matrix representing a Euclidean rotation
can identify every A ∈ so(3) with an Euler vector ω = θu, where u = (x, y, z) is a unit magnitude vector. By the properties of the identification s u
Rotation_matrix
Computer processor which works on arrays of several numbers at once
one-dimensional arrays of data called vectors. When integrated as a hardware component the vector processor is often called a vector processing unit (VPU). This
Vector_processor
Energy conservation during diffraction by atoms
sample, the excitation error s {\displaystyle \mathbf {s} } , the structure factor for the relevant reciprocal lattice vector, and also whether the scattering
Ewald's_sphere
Torque regulation method for three-phase AC motors
product of estimated stator flux linkage vector and measured motor current vector. The estimated flux magnitude and torque are then compared with their
Direct_torque_control
Fundamental physical law of electromagnetism
where q i {\displaystyle q_{i}} is the magnitude of the i th charge, r i {\textstyle \mathbf {r} _{i}} is the vector from its position to r {\displaystyle
Coulomb's_law
High-speed approximation of the square root of the sum of two squares
a right triangle given the two side lengths, the norm of a 2-D vector, or the magnitude | z | = a 2 + b 2 {\displaystyle |z|={\sqrt {a^{2}+b^{2}}}} of
Alpha max plus beta min algorithm
Alpha_max_plus_beta_min_algorithm
Information storage system
in abstract form by a complex vector which may be expressed directly by a waveform possessing frequency and magnitude. This waveform is analogous to
Holographic associative memory
Holographic_associative_memory
Maximum ground acceleration during an earthquake at a location
terms of PGA. Unlike the Richter and moment magnitude scales, it is not a measure of the total energy (magnitude, or size) of an earthquake, but rather of
Peak_ground_acceleration
Branch of physics describing the motion of objects without considering forces
directions and magnitudes are constants. The magnitude of the acceleration of an object is the magnitude |a| of its acceleration vector. It is a scalar
Kinematics
Device that measures magnetism
measurement. Vector magnetometers measure the vector components of a magnetic field. Total field magnetometers or scalar magnetometers measure the magnitude of
Magnetometer
Algebraic object with geometric applications
of algebraic objects associated with a vector space. Tensors may map between different objects such as vectors, scalars, and even other tensors. There
Tensor
Vector sum of all forces acting upon a particle or body
meanings. In physics, a force is considered a vector quantity. This means that it not only has a size (or magnitude) but also a direction in which it acts.
Net_force
Algorithm for computing trigonometric, hyperbolic, logarithmic and exponential functions
polar coordinates, especially if the magnitude of the numbers is not relevant (multiplying a complex vector with a vector on the unit circle actually amounts
CORDIC
Four-dimensional number system
so-called "vector quaternions" (that is, pure imaginary quaternions) correspond not to vectors but to bivectors – quantities with magnitudes and orientations
Quaternion
Formulas in differential geometry
defined as follows: T is the unit vector tangent to the curve, pointing in the direction of motion. N is the normal unit vector, the derivative of T with respect
Frenet–Serret_formulas
Lightweight programming language
derived class; in the Vector class, self -- will be Vector return setmetatable({x = x, y = y, z = z}, self) end function Vector:magnitude() -- Another method
Lua
Algorithm for supervised learning of binary classifiers
is a function that can decide whether or not an input, represented by a vector of numbers, belongs to some specific class. It is a type of linear classifier
Perceptron
Equations of light transmission and reflection
complex amplitude vector, i is the imaginary unit, k is the wave vector (whose magnitude k is the angular wavenumber), r is the position vector, ω is the angular
Fresnel_equations
Probability distribution
notation φΔ is the probability density function of the measurement errors of magnitude Δ. Not knowing what the function φ is, Gauss requires that his method
Normal_distribution
Correspondence between quaternions and 3D rotations
radius. The vector part of a unit quaternion represents the radius of the 2-sphere corresponding to the axis of rotation, and its magnitude is the sine
Quaternions and spatial rotation
Quaternions_and_spatial_rotation
Process of assigning numbers to objects or events
measurement of a property may be categorised by the following criteria: type, magnitude, unit, and uncertainty.[citation needed] They enable unambiguous comparisons
Measurement
Numerical eigenvalue calculation
eigenvalue of largest magnitude and a corresponding eigenvector of a matrix A {\displaystyle A} is roughly Pick a random vector u 1 ≠ 0 {\displaystyle
Lanczos_algorithm
Mathematical relation assigning a probability event to a cost
variances, as well as being symmetric: an error above the target causes the same loss as the same magnitude of error below the target. If the target is t {\displaystyle
Loss_function
Foundational law of classical magnetism
{\displaystyle \Phi _{B}} is the magnetic flux through S, and dS is a vector, whose magnitude is the area of an infinitesimal piece of the surface S, and whose
Gauss's_law_for_magnetism
Image edge detection algorithm
Sobel–Feldman operator is either the corresponding gradient vector or the norm of this vector. The Sobel–Feldman operator is based on convolving the image
Sobel_operator
Ways to represent 3D rotations
some axis. The axis is the unit vector (unique except for sign) which remains unchanged by the rotation. The magnitude of the angle is also unique, with
Rotation formulations in three dimensions
Rotation_formulations_in_three_dimensions
Eigenvalue algorithm
\lambda _{1}} is the largest eigenvalue of A {\displaystyle A} in magnitude. The starting vector b 0 {\displaystyle b_{0}} can be written as a linear combination
Power_iteration
Error correction code
returning error outside the transmitted alphabet. Using the error values and error location, correct the errors and form a corrected code vector by subtracting
BCH_code
Concept in missile guidance systems
parabolic mirror as a seeker. Simple electronics detect the directional error the seeker has with its target (an IR source), and apply a moment to this
Proportional_navigation
variable speed operation by manipulating the supply voltage or current ("magnitude") and the supply frequency while ignoring the magnetic field orientation
Scalar_control
Elliptic partial differential equation
normal vectors ni. The set of (pi, ni) is thus modeled as a continuous vector field V. The implicit function f is found by integrating the vector field
Poisson's_equation
Conserved physical quantity; rotational analogue of linear momentum
one can do is to simultaneously measure both the angular momentum vector's magnitude and its component along one axis. The uncertainty is closely related
Angular_momentum
Physical phenomenon relating to the direction of waves
tangential component of the wave vector to be identical on the two sides of the interface. Since the magnitude of the wave vector depend on the wave speed this
Refraction
Hamilton's original treatment of quaternions
tensor, which is a measure of its magnitude (in the same way as the length of a vector is a measure of a vectors' magnitude). When a quaternion is defined
Classical Hamiltonian quaternions
Classical_Hamiltonian_quaternions
Classical statement of gravity as force
gravitation can be written as a vector equation to account for the direction of the gravitational force as well as its magnitude. In this formula, quantities
Newton's law of universal gravitation
Newton's_law_of_universal_gravitation
seismometers designed in the early years, some seismic magnitude scales began to show errors when the epicentral distance exceeded a certain range from
Epicentral_distance
System to plan and analyse results of refractive surgical procedures
The magnitude of error (MofE)—The intended correction minus the actual correction in diopters. Angle of error (AE)—The angle described by the vectors of
Alpins_method
Statistical measure in mathematical model
1, the predictor vector associated with the intercept term, equals 1 for all i. It turns out that the square of this standard error, the estimated variance
Variance_inflation_factor
Algorithm for modelling sequential data
numerical representations called tokens, and each token is converted into a vector via lookup from a word embedding table. At each layer, each token is then
Transformer_(deep_learning)
Image edge detection algorithm
Gaussian filter and gradient estimation to compute a vector field whose directions and magnitudes approximate the direction and strength of edges in the
Canny_edge_detector
Mathematical optimization algorithm
initial guess for the solution (default is the zero vector). `atol` is the absolute tolerance on the magnitude of the residual `b - A * x` for convergence (default
Conjugate_gradient_method
Collection of statistical models
of experimental error. Later experiments are often designed to test a hypothesis that a treatment effect has an important magnitude; in this case, the
Analysis_of_variance
Euclidean vector (sometimes called a geometric vector or spatial vector, or – as here – simply a vector) is a geometric object that has both a magnitude (or
Introduction to the mathematics of general relativity
Introduction_to_the_mathematics_of_general_relativity
subsequent codebook encodes the residual error of the previous stage. Each codebook contains 1024 learned vectors. The number of active codebooks determines
EnCodec
Stability criterion in control theory
polynomial can be done with vector techniques that add or subtract angles and multiply or divide magnitudes. The vector formulation arises from the fact
Root_locus_analysis
Type of inertial force
rotation ω × P attributable to the motion of the rotating frame. The vector ω has magnitude ω equal to the rate of rotation and is directed along the axis of
Centrifugal_force
Downwind component of motion of a floating object due to wind
directly downwind. See figure 1 and figure 2. Leeway Velocity Vector (|L| cm/s): The magnitude of the leeway velocity. Leeway speed is always positive. Leeway
Leeway
Family of linear transformations
the magnitude of the relative velocity. The definition β = v/c with magnitude 0 ≤ β < 1 is also used by some authors. Introducing a unit vector n = v/v
Lorentz_transformation
Type of eye defect
Astigmatism is a type of refractive error due to rotational asymmetry in the eye's refractive power. The lens and cornea of an eye without astigmatism
Astigmatism
Assignment of a tensor continuously varying across a region of space
example speed) and a vector (a magnitude and a direction, like velocity), a tensor field is a generalization of a scalar field and a vector field that assigns
Tensor_field
Measure of linear correlation
coordinates of an n-dimensional vector, and computing the cosine between these two vector directions. When the angle between the vectors is near zero, then the
Pearson correlation coefficient
Pearson_correlation_coefficient
Mathematical algorithm
corresponding to the desired eigenvector and a vector b 0 {\displaystyle b_{0}} , either a randomly selected vector or an approximation to the eigenvector. The
Inverse_iteration
Property of waves that can oscillate with more than one orientation
by k→ ∙ r→ where k→ is called the wave vector, the magnitude of which is the wavenumber. Thus the leading vectors e and h each contain up to two nonzero
Polarization_(waves)
Coordinate system whose directions vary in space
\mathbf {r} }{\partial q^{3}}}.} Such a basis, whose vectors change their direction and/or magnitude from point to point is called a local basis. All bases
Curvilinear_coordinates
Computer data measurements and scales
The order of magnitude of data may be specified in strictly standards-conformant units of information and multiples of the bit and byte with decimal scaling
Orders_of_magnitude_(data)
Universal code encoding positive integers
std::vector<bool> elias_omega_encode(Integer num){ if (num <= 0){ throw std::range_error("elias_omega_encode expects a value >= 1"); } std::vector<bool>
Elias_omega_coding
Force on a mass due to gravity
define weight as a vector quantity, the gravitational force acting on the object. Others define weight as a scalar quantity, the magnitude of the gravitational
Weight
Algorithm that estimates unknowns from a series of measurements over time
k}} We seek to minimize the expected value of the square of the magnitude of this vector, E [ ‖ x k − x ^ k | k ‖ 2 ] {\displaystyle \operatorname {E}
Kalman_filter
Flow of magnetic monopole charge
{M}}^{\text{i}}} is the impressed magnetic current (energy source). The electric vector potential, F, is computed from the magnetic current density, M i {\displaystyle
Magnetic_current
Technique in statistics
uncorrelated with the "error term" U {\displaystyle U} in the linear equation Y = X β + U {\displaystyle Y=X\beta +U} Y {\displaystyle Y} is a vector. X {\displaystyle
Instrumental_variables
ERROR VECTOR-MAGNITUDE
ERROR VECTOR-MAGNITUDE
Boy/Male
Anglo Saxon
Terror.
Boy/Male
English American
Doctor; teacher.
Male
Greek
(á¼ÎºÏ„ωÏ) Variant spelling of Greek Hektor, EKTOR means "defend; hold fast."
Male
Portuguese
Portuguese form of Latin Hector, HEITOR means "defend; hold fast."
Male
English
 Anglicized form of Scottish Gaelic Eachann, HECTOR means "brown horse." Compare with another form of Hector.
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi
Error-less
Male
English
Short form of English Sylvester, VESTER means "from the forest."
Girl/Female
Hindu, Indian
Without Error
Male
English
Roman Latin name VICTOR means "conqueror."Â
Boy/Male
Anglo Saxon
Terror.
Surname or Lastname
Scottish
Scottish : Anglicized form of the Gaelic personal name Eachann (earlier Eachdonn, already confused with Norse Haakon), composed of the elements each ‘horse’ + donn ‘brown’.English : found in Yorkshire and Scotland, where it may derive directly from the medieval personal name. According to medieval legend, Britain derived its name from being founded by Brutus, a Trojan exile, and Hector was occasionally chosen as a personal name, as it was the name of the Trojan king’s eldest son. The classical Greek name, HektÅr, is probably an agent derivative of Greek ekhein ‘to hold back’, ‘hold in check’, hence ‘protector of the city’.German, French, and Dutch : from the personal name (see 2 above). In medieval Germany, this was a fairly popular personal name among the nobility, derived from classical literature. It is a comparatively rare surname in France.
Boy/Male
American, British, Christian, Danish, Dutch, English, Finnish, French, German, Greek, Hindu, Indian, Irish, Jamaican, Latin, Romanian, Slovenia, Spanish, Swedish, Swiss, Tamil, Ukrainian
Victorious; Conqueror; Winner; Champion; One who Conquers; Victory
Male
Portuguese
Galician-Portuguese form of Roman Latin Victor, VITOR means "conqueror."
Boy/Male
Australian, Basque, Czech, Czechoslovakian, Danish, Finnish, French, German, Hungarian, Latin, Polish, Slovenia, Swedish, Swiss, Ukrainian
The Conqueror; Victory; Victorious; Conquer
Male
Arthurian
, sir Hector de Maris; (defender).
Male
Russian
(Cyrillic Виктор): Slavic form of Roman Latin Victor, VIKTOR means "conqueror." In use by the Bulgarians, Russians and Serbians. Compare with another form of Viktor.
Male
Scandinavian
 Scandinavian form of Roman Latin Victor, VIKTOR means "conqueror." Compare with another form of Viktor.
Boy/Male
Anglo Saxon
Terror.
Boy/Male
Spanish
Victor.
Male
English
Scottish surname transferred to forename use, from a place name possibly ERROL means "to wander."Â
ERROR VECTOR-MAGNITUDE
ERROR VECTOR-MAGNITUDE
Girl/Female
Hindu, Indian
Holly Goddess of Kama
Biblical
inquirer; examiner; dull observer
Girl/Female
American, Australian, British, English, German, Swedish
Little and Womanly; Feminine Variant of Charles
Boy/Male
Australian, Danish, Dutch, Greek, Swedish
People of Victory; Victory of the People
Boy/Male
Hindu
Surname or Lastname
English, Welsh, German, etc.
English, Welsh, German, etc. : ultimately from the Hebrew personal name yÅÌ£hÄnÄn ‘Jehovah has favored (me with a son)’ or ‘may Jehovah favor (this child)’. This personal name was adopted into Latin (via Greek) as Johannes, and has enjoyed enormous popularity in Europe throughout the Christian era, being given in honor of St. John the Baptist, precursor of Christ, and of St. John the Evangelist, author of the fourth gospel, as well as others of the nearly one thousand other Christian saints of the name. Some of the principal forms of the personal name in other European languages are Welsh Ieuan, Evan, Siôn, and Ioan; Scottish Ia(i)n; Irish Séan; German Johann, Johannes, Hans; Dutch Jan; French Jean; Italian Giovanni, Gianni, Ianni; Spanish Juan; Portuguese João; Greek IÅannÄ“s (vernacular Yannis); Czech Jan; Russian Ivan. Polish has surnames both from the western Slavic form Jan and from the eastern Slavic form Iwan. There were a number of different forms of the name in Middle English, including Jan(e), a male name (see Jane); Jen (see Jenkin); Jon(e) (see Jones); and Han(n) (see Hann). There were also various Middle English feminine versions of this name (e.g. Joan, Jehan), and some of these were indistinguishable from masculine forms. The distinction on grounds of gender between John and Joan was not firmly established in English until the 17th century. It was even later that Jean and Jane were specialized as specifically feminine names in English; bearers of these surnames and their derivatives are more likely to derive them from a male ancestor than a female. As a surname in the British Isles, John is particularly frequent in Wales, where it is a late formation representing Welsh Siôn rather than the older form Ieuan (which gave rise to the surname Evan). As an American family name this form has absorbed various cognates from continental European languages. (For forms, see Hanks and Hodges 1988.)
Boy/Male
Tamil
Lord Vishnu
Girl/Female
Arabic, Australian, Greek
Farmer
Boy/Male
Muslim/Islamic
It is a city in Iran
Girl/Female
Indian
(the wife of Sage Kashyap)
ERROR VECTOR-MAGNITUDE
ERROR VECTOR-MAGNITUDE
ERROR VECTOR-MAGNITUDE
ERROR VECTOR-MAGNITUDE
ERROR VECTOR-MAGNITUDE
n.
A contrivance for removing superfluous ink or coloring matter from a roller. See Doctor, 4.
n.
A pregnant woman; a mother; as, A has a son B by one venter, and a daughter C by another venter; children by different venters.
n.
Same as Radius vector.
n.
The turning factor of a quaternion.
a.
Of or pertaining to victory, or a victor' being a victor; bringing or causing a victory; conquering; winning; triumphant; as, a victorious general; victorious troops; a victorious day.
n.
The chief elective officer of some universities, as in France and Scotland; sometimes, the head of a college; as, the Rector of Exeter College, or of Lincoln College, at Oxford.
n.
A woman who wins a victory; a female victor.
n.
A term made up of the two parts / + /1 /-1, where / and /1 are vectors.
n.
Misguidance; error.
n.
A wandering or deviation from the right course or standard; irregularity; mistake; inaccuracy; something made wrong or left wrong; as, an error in writing or in printing; a clerical error.
n.
An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector.
n.
The province of a rector; a parish church, parsonage, or spiritual living, with all its rights, tithes, and glebes.
n.
A directed quantity, as a straight line, a force, or a velocity. Vectors are said to be equal when their directions are the same their magnitudes equal. Cf. Scalar.
n.
The ratio of one vector to another in length, no regard being had to the direction of the two vectors; -- so called because considered as a stretching factor in changing one vector into another. See Versor.
n.
A belly, or protuberant part; a broad surface; as, the venter of a muscle; the venter, or anterior surface, of the scapula.
n.
An African weaver bird (Textor alector).
a.
Pertaining to a rector or a rectory; rectoral.
v. t.
To tamper with and arrange for one's own purposes; to falsify; to adulterate; as, to doctor election returns; to doctor whisky.
v. t.
To confer a doctorate upon; to make a doctor.
n.
The difference between the observed value of a quantity and that which is taken or computed to be the true value; -- sometimes called residual error.