Supremum of a function

Discussion in 'General Electronics Chat' started by f45hil, Apr 17, 2012.

  1. f45hil

    Thread Starter New Member

    Feb 24, 2012
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    What is the meaning of sup |f(x)|, {x ε [0,1]}
    Does this mean the maximum value of f(x) on interval [0,1] or does it mean the value of f(x) at x=1?
    Try to explain with the function f(x) = 16x^2 -24x + 9
    This quadratic has a minimum at x=0.75 and f(1) = 1 nd f(0)= 9
     
  2. panic mode

    Senior Member

    Oct 10, 2011
    1,320
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