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scalar    音标拼音: [sk'elɚ]
n. 数量
a. 数量的,分等级的,梯状的

数量数量的,分等级的,梯状的

scalar
纯量; 纯量的

scalar
量 纯量

scalar
adj 1: of or relating to a musical scale; "he played some basic
scalar patterns on his guitar"
2: of or relating to a directionless magnitude (such as mass or
speed etc.) that is completely specified by its magnitude;
"scalar quantity"
n 1: a variable quantity that cannot be resolved into components

Scalar \Sca"lar\, n. (Math.)
In the quaternion analysis, a quantity that has magnitude,
but not direction; -- distinguished from a vector, which has
both magnitude and direction.
[1913 Webster]


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  • terminology - What does it mean when data is scalar? - Software . . .
    The term "scalar" comes from linear algebra, where it is used to differentiate a single number from a vector or matrix The meaning in computing is similar It distinguishes a single value like an integer or float from a data structure like an array This distinction is very prominent in Perl, where the $ sigil (which resembles an 's') is used to denote a scalar variable and an @ sigil (which
  • What are the scalar fields and composite fields in JAVA?
    The terms 'scalar type' or 'scalar field' are usually used to contrast them with compound types fields A compound type is easiest to define and it is a type that contains multiple distinct elements These elements can have the same type, in which case the compound is an array or a list, or different types, in which case the compound is typically a struct or a class A scalar type is a type
  • What is meant by a primitive data type?
    It kind of depends on the language For example, in languages like C and C++, you have a number of built-in scalar types - int, float, double, char, etc These are "primitive" in the sense that they cannot be decomposed into simpler components From these basic types you can define new types - pointer types, array types, struct types, union types, etc Then you have a language like old-school
  • Performance implications of a game project monorepo on *modern* Git
    Microsoft’s Scalar apparently does some repacking in the background, but that’s only documented somewhat vaguely and in the context of fetch and checkout, so I’m not totally clear on what the implications are on the central repo (I also hit a bit of research fatigue here )
  • data structures - How to represent a set in JSON? - Software . . .
    JSON supports the following data structures (Java equivalents): Scalar, Array List, and Map A Set is not supported out-of-the-box in JSON I thought about several ways to represent a set in JSON
  • Why exactly does Java not allow numeric conditionals like if(5 . . .
    0 Well, every scalar type in C, pointer, boolean (since C99), number (floating-point or not) and enumeration (due to direct mapping to numbers) has a "natural" falsey value, so that's good enough for any conditional expression
  • Why does the C++ standard still allow uninitialized primitive variables?
    If reading uninitialized memory is undefined behavior anyway, why has the C++ standard not been changed so that objects of primitive type (int, unsigned, float, double, bool, char) get default-
  • microservices - Aggregating responses from several services with . . .
    In a microservices architecture, the responsibility of data aggregation should ideally be with a dedicated service that is responsible for aggregating data from different microservices or the client application In your case, since you have different requirements for the web and mobile clients, you can create two separate services responsible for aggregating data for each of the clients If
  • performance - Why does expressing calculations as matrix . . .
    If I were to calculate the matrix multiplication in the second (matrix-based) image myself, as a human, I'd do it by sequentially doing each of the distinct calculations shown in the first (scalar) image





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