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Share or comment on this article: Easy-looking math equation mystifies people as they forget 'special rule' - can you solve it in 30 seconds?

Nonlinear phenomena are phenomena, which, in contrast to a linear system, cannot be explained by a mathematical relationship of proportionality (that is, a linear relationship between two variables).

A linear relationship (or linear association) is a statistical term used to describe the directly proportional relationship between a variable and a constant.

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Quantum Computer Research. Read the latest news in developing quantum computers.