inequation system solving


    Sep 16 2012 | 5:30 am
    hello
    I'm searching for an optimized patch for inequation system resolution like this one:
    { minDyn < |x1| + |x2| + |x3| + |x4| < maxDyn;
    minMove < |x1| < maxMove;
    minMove < |x2| < maxMove;
    minMove < |x3| < maxMove;
    minMove < |x4| < maxMove;
    minStep < x1 + x2 + x3 + x4 < maxStep; }
    minDyn,maxDyn,minMove,maxMove,minStep and maxStep are integers chosen by the user
    x1,x2,x3 and x4 are integers
    any help will be highly appreciated!
    Thank you
    Pierre