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根据求如下目标函教的极小值: φ(α)=sum from i=1 to m[gi-Gi(α)]~2=min 这里g是一系列观测的区域重力效应值,而G是一系列与g——对应的理论区域重力效应值。通过迭代算法,便可求得具有预定精度的一组变量α的值,正是这一组变量值就确定了所研究的三维地壳的结构及形态。
According to the minimum value of the following objective function: φ (α) = sum from i = 1 to m [gi-Gi (α)] ~ 2 = min where g is the value of a series of observed regional gravitational effects and G A series of g-corresponding theoretical area gravity effects. Through the iterative algorithm, the value of a set of variables α with a predetermined accuracy can be obtained. It is the set of variables that determine the structure and morphology of the three-dimensional crust studied.