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Loading a problem Description Shows how directly load a problem and solve it in Python Further explanation of this example: 'Xpress Python Reference Manual'
Source Files By clicking on a file name, a preview is opened at the bottom of this page.
example_loadqcqp.py # Example using loadproblem to create a quadratically constrained # quadratic problem. # # (C) Fair Isaac Corp., 1983-2024 import xpress as xp p = xp.problem() # fill in a problem with three variables and four constraints p.loadproblem("", # probname ['G', 'G', 'L', 'L'], # qrtypes [-2.4, -3, 4, 5], # rhs None, # range [3, 4, 5], # obj [0, 2, 4, 8], # mstart None, # mnel [0, 1, 2, 3, 0, 1, 2, 3], # mrwind [1, 1, 1, 1, 1, 1, 1, 1], # dmatval [-1, -1, -1], # lb [3, 5, 8], # ub [0, 0, 0, 1, 1, 2], # mqobj1 [0, 1, 2, 1, 2, 2], # mqobj1 [2, 1, 1, 2, 1, 2], # dqe [2, 3], # qcrows [2, 3], # qcnquads [1, 2, 0, 0, 2], # qcmqcol1 [1, 2, 0, 2, 2], # qcmqcol2 [3, 4, 1, 1, 1]) # qcdqval p.write("loadedqc", "lp") p.optimize() | |||||||||||||||||||
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