mk.pt.constr {cobs}R Documentation

COBS auxiliary for constructing pointwise constraint specifications

Description

COBS (cobs) auxiliary function for constructing the pointwise constraint specification list from the pointwise 3-column matrix (as used as argument in cobs).

Usage

mk.pt.constr(pointwise)

Arguments

pointwise numeric 3-column matrix, see pointwise in cobs.

Value

A list with components

n.equal number of equality constraints
n.greater number of ``greater'' constraints
n.smaller number of ``smaller'' constraints
n.gradient number of gradient constraints
equal 3-column matrix ofequality constraints
greater 3-column matrix of``greater'' constraints
smaller 3-column matrix of``smaller'' constraints
gradient 3-column matrix ofgradient constraints

Author(s)

Martin Maechler

Examples

 ## from  ?cobs:
 x <- seq(-1,3,,150)
 con <- rbind(c( 1,min(x),0), # f(min(x)) >= 0
              c(-1,max(x),1), # f(max(x)) <= 1
              c(0,  0,   0.5))# f(0)      = 0.5
 r <- mk.pt.constr(con)
 str(r)

[Package cobs version 1.2-0 Index]