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Optimize number of cuts of various lengths from a given length

  1. #1
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    Optimize number of cuts of various lengths from a given length

    I need some help in finding the best way to determine how many cuts of a variety of sizes can be achieved from a longer length. The goal would be to have the remainder of the longer length as close to zero as possible.

    For example...

    I have a board at 563.625" long
    There are four possible chop lengths to come from that board... 78.3125", 62.625", 86.625" and 55.5"
    How many chops of each length can I achieve from 563.625"

    Note: I do not have to use all chop sizes from the length of the board. I am looking for varying combinations with minimal loss.
    Attached Files Attached Files

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    Re: Optimize number of cuts of various lengths from a given length

    Sounds like a pretty standard "cutting stock" problem.
    I would probably suggest you start with Wikipedia to get a basic idea of how the cutting stock problem works: https://en.wikipedia.org/wiki/Cutting_stock_problem
    I put "cutting stock problem excel" into my favorite internet search engine and got several returns.
    Solver/Frontline's discussion: http://www.solver.com/cutting-stock
    Another look using Solver: http://blog.excelmasterseries.com/20...aste-with.html
    A generic university lecture: http://www.unc.edu/depts/stat-or/cou...2_cutstock.pdf
    And many others.
    Quote Originally Posted by shg
    Mathematics is the native language of the natural world. Just trying to become literate.

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