The JACOBIAN statement defines the JACOBIAN matrix J for a system of objective functions. For more information, see the section "Derivatives". proc nlp tech=levmar; array j[2,2] j1-j4; lsq f1 f2; ...
Definition 1: For one-dimensional mapping , there may be some special points that satisfy the equation . Such a point is called a fixed point of the mapping. Similarly, for n-dimensional mapping , ...