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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
  • Recommended generic approach to checking scalar field presence in . . .
    There are several questions related to presence field tracking of scalar fields in protobuf 3, but I didn't find any with generic default approach recommendation
  • 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
  • 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
  • Is there a reason replace conditional with table isnt a standard . . .
    for speed you have to use low level arrays, not collections like lists and maps Also, you have to avoid creating objects, unless there is a scalar optimization done by JIT





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