Recall that a function can be thought of as a machine which takes an input in (say x) and then depending on what that input is, it returns an output (say y) by some predefined rule (say f). The graph ...

The core function of a business continuity plan is to ensure that a company continues to receive the inputs necessary for daily operations, and continues to delivering revenue-generating outputs ...

Many production activities generate undesirable outputs in conjunction with the desirable outputs. In this paper we present the first estimates of a multiple-input, multiple-output directional ...