Fits a function to go through the three points, suitable for defining the desirability of a set of response variables (y’s). yVector and desireVector are matrices with three values, corresponding to the three points defining the desirability function. The actual function depends on whether the desire values are in the shape of a larger-is-better, smaller-is-better, target, or antitarget.
Finds the values for the listed x’s that maximize the expr.
p is a number between 0 and 1.
Finds the values for the listed x’s that minimize the expr.
p is a number between 0 and 1.