Parameters of a Model by the Steepest Slope Method

1 Identification of the Parameters of a Model by the Steepest Slope Method 

These derivates allow the selection of the length of the step displacement or, in other words, they control the computation of each parameter modification. Ap and Ap are recognized when we finish the exploring computation so when we have established the vector grad . The values of Ap and Ap are proportional to 

For a more general case, we can write the relation (3.219) in the form shown in Eq. (3.220), a is a constant in both relations  

In addition to SSM, other methods like the total gradient method (TGM) present 

We can extend the observations given here for a two-parameter problem to cases with more parameters. As an example, when the problem has three parameters, then, the problem of closed constraint surface becomes the problem of closed constraint volume. 

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