Linear function
Linear map or polynomial function of degree one / From Wikipedia, the free encyclopedia
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For the use of the term in calculus, see Linear function (calculus).
In mathematics, the term linear function refers to two distinct but related notions:[1]
- In calculus and related areas, a linear function is a function whose graph is a straight line, that is, a polynomial function of degree zero or one.[2] For distinguishing such a linear function from the other concept, the term affine function is often used.[3]
- In linear algebra, mathematical analysis,[4] and functional analysis, a linear function is a linear map.[5]