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In mathematics and science, a nonlinear system (or a non-linear system) is a system in which the change of the output is not proportional to the change of the input. [1] [2] Nonlinear problems are of interest to engineers, biologists, [3] [4] [5] physicists, [6] [7] mathematicians, and many other scientists since most systems are inherently nonlinear in nature. [8]
YouTube is an American social media and online video sharing platform owned by Google.YouTube was founded on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, three former employees of PayPal.
Any real number can be written in the form m × 10 ^ n in many ways: for example, 350 can be written as 3.5 × 10 2 or 35 × 10 1 or 350 × 10 0. In normalized scientific notation (called "standard form" in the United Kingdom), the exponent n is chosen so that the absolute value of m remains at least one but less than ten ( 1 ≤ | m | < 10 ).
In physics, gravitational acceleration is the acceleration of an object in free fall within a vacuum (and thus without experiencing drag).This is the steady gain in speed caused exclusively by gravitational attraction.
The specific weight, also known as the unit weight (symbol γ, the Greek letter gamma), is a volume-specific quantity defined as the weight W divided by the volume V of a material: = / Equivalently, it may also be formulated as the product of density, ρ, and gravity acceleration, g: = Its unit of measurement in the International System of Units (SI) is newton per cubic metre (N/m 3), with ...
I'd like to see something like "From the like/dislike data Youtube collects, a chart was compiled by "X" (whoever), and for (whatever) purpose." Secondary to this is that the method of compilation should be mentioned immediately, because the immediately looming question is "What if a video has 1,000,000 views and 50% dislikes (500,000), while ...
Example: mixed derivatives [ edit ] For some equations involving mixed derivatives, the equation does not separate as easily as the heat equation did in the first example above, but nonetheless separation of variables may still be applied.
An example would be the belief that encountering a black cat ("crossing one's path") [239] leads to bad luck, or that cats are witches' familiar spirits used to augment a witch's powers and skills. The killing of cats in medieval Ypres , Belgium , is commemorated in the innocuous present-day Kattenstoet (cat parade). [ 240 ]