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2 definitions found
 for Linear equation
From The Collaborative International Dictionary of English v.0.48 :

  Linear \Lin"e*ar\ (l[i^]n"[-e]*[~e]r), a. [L. linearis,
     linearius, fr. linea line: cf. F. lin['e]aire. See 3d
     1. Of or pertaining to a line; consisting of lines; in a
        straight direction; lineal.
        [1913 Webster]
     2. (Bot.) Like a line; narrow; of the same breadth
        throughout, except at the extremities; as, a linear leaf.
        [1913 Webster]
     3. Thinking in a step-by-step analytical and logical fashion;
        contrasted with holistic, i.e. thinking in terms of
        complex interrelated patterns; as, linear thinkers.
              Linear thinkers concluded that by taking the world
              apart, the actions of people were more predictable
              and controllable.                     --David Morris
                                                    October 31,
     Linear differential equation (Math.), an equation which is
        of the first degree, when the expression which is equated
        to zero is regarded as a function of the dependent
        variable and its differential coefficients.
     Linear equation (Math.), an equation of the first degree
        between two variables; -- so called because every such
        equation may be considered as representing a right line.
     Linear measure, the measurement of length.
     Linear numbers (Math.), such numbers as have relation to
        length only: such is a number which represents one side of
        a plane figure. If the plane figure is square, the linear
        figure is called a root.
     Linear problem (Geom.), a problem which may be solved
        geometrically by the use of right lines alone.
     Linear transformation (Alg.), a change of variables where
        each variable is replaced by a function of the first
        degree in the new variable.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

  linear equation
      n 1: a polynomial equation of the first degree

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