Description Usage Arguments Details Value Author(s) Examples
View source: R/generateVertex.R
Gives the coordinates for the new vertex that must be performed based on the responses for the vertexes on the current simplex and considering the optimization criteria.
1 2  generateVertex(simplex, qflv = NULL, crit = "max", algor = "fixed",
overwrite = FALSE)

simplex 
object of class 
qflv 
response for the vertex (or vertexes) without responses 
crit 
optimization criteria indicating if the goal is maximize
( 
algor 
algorithm to be followed in the vertex generation.

overwrite 
logical argument. If 
When minimization is the criteria, the algorithm will tend to approach zero.
If negative responses are possible and the most negative value is desired,
a very large negative number must be provided in crit
parameter.
An object of class smplx
with the new simplex information
including the conditions for the new experiment to be permormed.
Cristhian Paredes, craparedesca@unal.edu.co
Jesús Ágreda, jagreda@unal.edu.co
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20  simplex < labsimplex(n = 3, centroid = c(320, 7, 0.4),
stepsize = c(35, 2, 0.3))
## The experiments must be performed and the responses passed to qflv.
## Here we get the responses by using an example response surface
## included in the package:
##
## Initially, the response must be provided for all the vertexes
response < exampleSurfaceR3(x1 = simplex$coords[, 1],
x2 = simplex$coords[, 2],
x3 = simplex$coords[, 3])
simplex < generateVertex(simplex = simplex, qflv = response)
## After this, the last vertex is the only one that must be evaluated
response < exampleSurfaceR3(x1 = simplex$coords[nrow(simplex$coords), 1],
x2 = simplex$coords[nrow(simplex$coords), 2],
x3 = simplex$coords[nrow(simplex$coords), 3])
simplex < generateVertex(simplex = simplex, qflv = response)
## Alternatively the simplex object can overwrite the older one:
generateVertex(simplex = simplex, qflv = response, overwrite = TRUE)

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