lingo问题,MODEL :SETS:集合段XYI/ @FIL E(′data1txt′) / :x ,y ,r ; 定义变量ENDSETSMIN = R1 - R2 ; 目标函数;下面是约束;R1 = @MAX(XYI(J ) :r (J ) ) ; 找出半径的最大值;R2 = @MIN(XYI(J ) :r (J ) ) ; 找出半径的最小值;@B
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![lingo问题,MODEL :SETS:集合段XYI/ @FIL E(′data1txt′) / :x ,y ,r ; 定义变量ENDSETSMIN = R1 - R2 ; 目标函数;下面是约束;R1 = @MAX(XYI(J ) :r (J ) ) ; 找出半径的最大值;R2 = @MIN(XYI(J ) :r (J ) ) ; 找出半径的最小值;@B](/uploads/image/z/13952202-42-2.jpg?t=lingo%E9%97%AE%E9%A2%98%2CMODEL+%3ASETS%3A%E9%9B%86%E5%90%88%E6%AE%B5XYI%2F+%40FIL+E%28%E2%80%B2data1txt%E2%80%B2%29+%2F+%3Ax+%2Cy+%2Cr+%3B+%E5%AE%9A%E4%B9%89%E5%8F%98%E9%87%8FENDSETSMIN+%3D+R1+-+R2+%3B+%E7%9B%AE%E6%A0%87%E5%87%BD%E6%95%B0%3B%E4%B8%8B%E9%9D%A2%E6%98%AF%E7%BA%A6%E6%9D%9F%3BR1+%3D+%40MAX%28XYI%28J+%29+%3Ar+%28J+%29+%29+%3B+%E6%89%BE%E5%87%BA%E5%8D%8A%E5%BE%84%E7%9A%84%E6%9C%80%E5%A4%A7%E5%80%BC%3BR2+%3D+%40MIN%28XYI%28J+%29+%3Ar+%28J+%29+%29+%3B+%E6%89%BE%E5%87%BA%E5%8D%8A%E5%BE%84%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%3B%40B)
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