Initializing help system before first use

problem.delConstraint

problem.delConstraint

Purpose
Delete one or more constraints from the problem.
Synopsis
problem.delConstraint (c1, c2, ...)
Example 
N = 20
x = [xpress.var () for i in range (N)]
p = xpress.problem ()
p.addVariable (x)
p.addConstraint (x[i] >= x[i+1] for i in range (N-1))
p.delConstraint (2) # deletes x[2] >= x[3]
Further information
1. All arguments can be single constraints or lists, tuples, or NumPy arrays of variables. They can also be constraint indices (from 0 to ROWS-1). The index of variables, constraints, and SOSs can be obtained with problem.getIndex.
2. Indicator constraints are indexed as constraints, hence they can also be deleted with this function.

Parent Topic Reference Manual

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