what is a scalar field
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Translations for scalar field scalar field(noun) a field of scalars. scalar field(Noun) A function that assigns a scalar value to every point in space. Scalar field. In mathematics and physics, a scalar field associates a scalar value to every point in a space. The scalar may either be a mathematical number, or a physical quantity.
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Difference Between Vectors and Scalars A vector is a physical quantity having a magnitude but no direction. For example, volume of an object, temperature of a point in space, and work done to accelerate a vehicle are all scalars, since none of them is characterized by a direction.
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- The electric field at a given point is defined as the (vectorial) force that would be exerted on a stationary test particle of unit charge by electromagnetic forces (i.e. the Lorentz force). A particle of charge would be subject to a force.
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Lafayette General Health To request medical records, you may either visit the Health Information Department located on the first floor at University Hospital and Clinics (UHC) OR you may have your provider fax an authorization for release of information to (337) 261-6077. To save time, you may download the authorization form from UHC’s website.
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Field (computer science) Field (computer science) In computer science, data that has several parts, known as a record, can be divided into fields. Relational databases arrange data as sets of database records, also called rows. Each record consists of several fields; the fields of all records form the columns.
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Electric field Electric field. Electric field, an electric property associated with each point in space when charge is present in any form. The magnitude and direction of the electric field are expressed by the value of E, called electric field strength or electric field intensity or simply the electric field.
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scalar scalar - of or relating to a directionless magnitude (such as mass or speed etc.) that is completely specified by its magnitude; scalar quantity.
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- A-positive, A-negative, B-positive, B-negative, O-positive, O-negative, AB-positive, AB-negative. (The positive or negative refer to the so-called Rhesus factor). Persons with blood type O are so-called universal donors, since they can give blood to anyone having any of the blood types A, B, O or AB. Persons with blood type AB on the other hand, can give blood only to persons with AB blood type.
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flaw The definition of a flaw is a mark or error that makes something faulty. 1  An example of a flaw is a scratch on a gem. 2  An example of a flaw is an incorrect name on a legal document.
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- The scalar coupling J is a through-bond interaction, in which the spin of one nucleus perturbs (polarizes) the spins of the intervening electrons, and the energy levels of neighboring magnetic nuclei are in turn perturbed by the polarized electrons.
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Vector and Scalar Fields The gradient of a scalar field is a vector field that associates a vector with each of the points in the field. It can be appreciated that the vectors represent both the magnitude and direction of change of the scalar field.
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Vector field When a vector field represents force, the line integral of a vector field represents the work done by a force moving along a path, and under this interpretation conservation of energy is exhibited as a special case of the fundamental theorem of calculus.
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- Scalar Product of Vectors. The scalar product and the vector product are the two ways of multiplying vectors which see the most application in physics and astronomy. The scalar product of two vectors can be constructed by taking the component of one vector in the direction of the other and multiplying it times the magnitude of the other vector. This can be expressed in the form:
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MP02: Motion Diagrams A quantity which does not depend on direction is called a scalar quantity. Vector quantities have two characteristics, a magnitude and a direction. Scalar quantities have only a magnitude. When comparing two vector quantities of the same type, you have to compare both the magnitude and the direction.here are some quantities, like speed, which have very special definitions for scientists. By definition, speed is the scalar magnitude of a velocity vector. A car going down the road has a speed of 50 mph. Its velocity is 50 mph in the northeast direction.
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What Is a Scalar Quantity? The distance between several objects is a scalar quantity, provided the starting point is irrelevant and the final value is the same. A vector quantity reflects two or more attributes, which are magnitude and direction. The velocity of an object is a vector quantity, whereas the speed of an object is a scalar quantity.
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Variable (computer science) In computer programming, a variable or scalar is a storage location paired with an associated symbolic name (an identifier), which contains some known or unknown quantity of information referred to as a value.he scope of a variable is actually a property of the name of the variable, and the extent is a property of the variable itself. These should not be confused with context (also called environment), which is a property of the program, and varies by point in the source code or execution – see scope: overview.
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Divergence The divergence of a vector field , denoted or (the notation used in this work), is defined by a limit of the surface integral. (1) where the surface integral gives the value of integrated over a closed infinitesimal boundary surface surrounding a volume element , which is taken to size zero using a limiting process. The divergence of a vector field is therefore a scalar field. If , then the field is said to be a divergenceless field.
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scalar representable by position on a scale or line; having only magnitude: a scalar variable. 2. of, relating to, or utilizing a scalar. 3. ladderlike in arrangement or organization; graduated: a scalar structure for promoting personnel.
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Electric field The electric field is a vector field; it consists of a distribution of vectors, one for each point in the. region around a charged object, such as a charged rod. In principle, we can define the electric field at. some point near the charged object, such as point P in Fig.
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Scheduling a SQL Server Profiler Trace The most efficient means to define the SQL commands used for constructing a profiler trace is to use SQL Profiler. 1  Start SQL Profiler and select. 2  Start the trace and then stop it. 3  Export the definition. 4  Note: For SQL Sever 2000 and 2008 choose the appropriate output type. 5  Save the trace file.
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Scalar (mathematics) Its coordinates x and y are scalars, as is its length, but v is not a scalar. A scalar is an element of a field which is used to define a vector space. A quantity described by multiple scalars, such as having both direction and magnitude, is called a vector.
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- The divergence of a vector field is the scalar measurement of how much a flow field expands or compresses near a point. The gradient of a scalar function is a vector field. It points in the direction of maximum increase of the function, and the magnitude measures the rate of increase. The curl of a vector field is another vector field quantity. The magnitude measures how much the vector field rotates about each point. The direction is normal to the plane of rotation and is determined by the right hand rule.
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Is force a scalar or vector? Force has a defined direction and therefore, it is a vector quantity. However, Pressure --- which is force per unit area --- doesn't act in one direction alone and therefore, it is considered a scalar. Force is a vector.
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scalar multiplication scalar multiplication. noun. 1. (maths) an operation used in the definition of a vector space in which the product of a scalar and a vector is a vector, the operation is distributive over the addition of both scalars and vectors, and is associative with multiplication of scalars.
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What is a tensor? A quantity which does not depend on direction is called a scalar quantity. Vector quantities have two characteristics, a magnitude and a direction. Scalar quantities have only a magnitude. When comparing two vector quantities of the same type, you have to compare both the magnitude and the direction. For scalars, you only have to compare the magnitude.
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Scalar (mathematics) By definition, multiplying v by a scalar k also multiplies its norm by | k |. If || v || is interpreted as the length of v, this operation can be described as scaling the length of v by k. A vector space equipped with a norm is called a normed vector space (or normed linear space).