Most programming languages support global variables, but they tend to do it in different ways. For example, PHP uses the global keyword to access a variable declared outside any function: ...

The row with BINARY type indicates that this problem is a mixed integer program and all the integer variables are binary. The integer values of the row set an ordering for PROC LP to pick the ...

In the first part of this paper, the concept of logical reduction is presented. Minimal preferred variable inequalities are introduced, and algorithms are given for their calculation. A simple ...

This paper presents a realistic chemical-process optimization problem in detail, and notes the fact of its equivalence to the general nonlinear programming problem. The eight equality constraints that ...