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The social constructivist conception of black boxing doesn't delineate the physical components hidden inside an apparent whole; rather, what is black-boxed are associations, various actors from which the box is composed. Opening the hood of an electric car, for example, reveals only mechanical components.
A developed black box model is a validated model when black-box testing methods [10] ensures that it is, based solely on observable elements. With back testing, out of time data is always used when testing the black box model. Data has to be written down before it is pulled for black box inputs.
The sublimation that occurs at the solid-gas boundary (critical sublimation point) (corresponding to boiling in vaporization) may be called rapid sublimation, and the substance sublimes rapidly. The words "gradual" and "rapid" have acquired special meanings in this context and no longer describe the rate of sublimation.
Sublimation (German: Sublimierung) is the process of transforming libido into "socially useful" achievements, including artistic, cultural, and intellectual pursuits. Freud considered this psychical operation to be fairly salutary compared to the others that he identified, such as repression , displacement , denial , reaction formation ...
In academic discourse, the usage of the term “black box” dates back to at least 1963 with Mario Bunge's work on a black box theory in mathematics. [18]The term “black box,” as used throughout The Black Box Society by author and law professor, Frank Pasquale, is a dual metaphor for a recording device such as a data-monitoring system and for a system whose inner workings are secret or ...
Some explanations of Black Friday claim that the holiday references a 19th-century term for the day after Thanksgiving, during which plantation owners could buy slaves at discount prices.
black box model: No prior model is available. Most system identification algorithms are of this type. Most system identification algorithms are of this type. In the context of nonlinear system identification Jin et al. [ 9 ] describe grey-box modeling by assuming a model structure a priori and then estimating the model parameters.
By 1961, the day of chaos was called "Black Friday," though retailers and business owners fought to officially change it to "Big Friday." It wasn't until the mid-to-late '80s that the day became ...