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Math Help - graph

  1. #1
    Newbie
    Joined
    Apr 2008
    Posts
    8

    graph

    7.
    1 The max function is a function of 2 variables and is defined as follows:
    max(
    a, b) =

    
    a
    if a  b
    b
    if a < b

    Express this piecewise-defined function in one line using the absolute value function.
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  2. #2
    Member
    Joined
    Aug 2008
    Posts
    80
    Hello,

    |a-b|=\begin{cases}a-b&(a\geq b)\\b-a&(a<b)\end{cases}. Use |a-b|/2.

    Bye.
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