Initializing help system before first use

# problem.delSOS

Purpose
Delete one or more SOSs from the problem.
Synopsis
`problem.delSOS(sets)`
Example

    N = 20
    p = xpress.problem()
    x = [p.addVariable() for i in range(N)]
    s = p.addSOS(x, i+1 for i in range(N))
    p.delSOS(s)

Further information
The arguments can be a single SOS or a list, tuple or NumPy array of SOSs. Instead of SOS objects, indices can also be used (from 0 to SETS-1). The index SOS can be obtained with problem.getIndex.
Parent Topic Xpress problem object methods

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