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Math Help - problem minimizing a function

  1. #1
    Newbie
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    Dec 2012
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    Estonia
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    problem minimizing a function

    Hi,

    I need to get (AD' + A'B' + B'D')minimized to (AD' + A'B').
    I've been struggling awhile now and can't get hang of it, could you please help me out?
    NB! It is possible, because their truth tables match.

    ' means NOT
    + means OR
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  2. #2
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    Re: problem minimizing a function

    Is multiplication and?
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  3. #3
    Junior Member
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    Re: problem minimizing a function

    You have B'D' = AB'D' + A'B'D'. Substitute in your original expression and you get AD' + A'B' + AB'D' +A'B'D' = AD' + ABD' + A'B' + A'B'D' = AD'(1+B') + A'B'(1+D') = AD' +A'B'.
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  4. #4
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    Re: problem minimizing a function

    Cheers, mate! You've been very helpful
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