Add lower bound of alternative possible assignments

Description

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

Usage

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Arguments

problem

Problem to which preference information will be added.

...

Assignments as two-element vectors. Each vector c(i, j) represents assignment of an alternative a_i to class at least as good as class C_j.

Value

Problem with added assignment examples.

See Also

buildProblem removeAssignmentsLB

Examples

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# 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))

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