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In mathematics, the term undefined refers to a value, function, or other expression that cannot be assigned a meaning within a specific formal system. [ 1 ] Attempting to assign or use an undefined value within a particular formal system, may produce contradictory or meaningless results within that system.
Walmarting or Walmartization is a neologism referring to U.S. discount department store Walmart with three meanings. The first use is similar to the concept of globalization and is used pejoratively by critics [1] and neutrally by businesses seeking to emulate Walmart's success. [2]
An undefined value must not be confused with empty string, Boolean "false" or other "empty" (but defined) values. Depending on circumstances, evaluation to an undefined value may lead to exception or undefined behaviour, but in some programming languages undefined values can occur during a normal, predictable course of program execution.
This article is a list of standard proofreader's marks used to indicate and correct problems in a text. Marks come in two varieties, abbreviations and abstract symbols. These are usually handwritten on the paper containing the
An undefined variable in the source code of a computer program is a variable that is accessed in the code but has not been declared by that code. [1] In some programming languages, an implicit declaration is provided the first time such a variable is encountered at compile time. In other languages such a usage is considered to be sufficiently ...
Sam's Choice, originally introduced as Sam's American Choice in 1991, is a retail brand in food and selected hard goods. Named after Sam Walton, founder of Walmart, Sam's Choice forms the premium tier of Walmart's two-tiered core corporate grocery branding strategy that also includes the larger Great Value brand of discount-priced staple items.
The delta function was introduced by physicist Paul Dirac, and has since been applied routinely in physics and engineering to model point masses and instantaneous impulses. It is called the delta function because it is a continuous analogue of the Kronecker delta function, which is usually defined on a discrete domain and takes values 0 and 1.
The Time-Triggered Ethernet (SAE AS6802) (also known as TTEthernet or TTE) standard defines a fault-tolerant synchronization strategy for building and maintaining synchronized time in Ethernet networks, and outlines mechanisms required for synchronous time-triggered packet switching for critical integrated applications and integrated modular avionics (IMA) architectures.