Objective Function and Derivatives The input argument fun refers to an IML module that specifies a function that returns f, a vector of length m for least-squares subroutines or a scalar for other ...

Researchers call this an objective function. It can be simple — for example, “win as many chess games as possible” — or complicated, like “predict the three-dimensional shapes of ...

For each structural variable, the upper and lower ranges of the price (objective function coefficient) and the objective value are shown. The blocking variables, those variables that would enter the ...