# Add lower bound of alternative possible assignments

### Description

This function adds lower bounds of possible assignments to a problem.

### Usage

1 | ```
addAssignmentsLB(problem, ...)
``` |

### Arguments

`problem` |
Problem to which preference information will be added. |

`...` |
Assignments as two-element vectors.
Each vector |

### Value

Problem with added assignment examples.

### See Also

`buildProblem`

`removeAssignmentsLB`

### Examples

1 2 3 4 5 6 7 8 | ```
# 4 alternatives, 2 gain criteria, 3 classes, monotonously increasing
# and general marginal value functions
perf <- matrix(c(5, 2, 1, 7, 0.5, 0.9, 0.4, 0.4), ncol = 2)
problem <- buildProblem(perf, 3, FALSE, c('g', 'g'), c(0, 0))
# add assignment examples: alternative 1 to class at least as good as class 2
# and alternative 2 to class at least as good as class 3
problem <- addAssignmentsLB(problem, c(1, 2), c(2, 3))
``` |